What are PFAS, and why is the EPA warning about them in drinking water? An environmental health scientist explains
PFAS, often used in water-resistant gear, also find their way into drinking water and human bodies. CasarsaGuru via Getty Images
“PFAS? What’s PFAS?”
You may be hearing that term in the news as the federal government considers new rules and guidelines for the chemicals. Even if the acronym is new to you, you’re probably already familiar with what PFAS do. That’s because they’re found in everything from nonstick cookware to carpets to ski wax.
PFAS stands for per- and polyfluoroalkyl substances, which are a large group of human-made chemicals – currently estimated to be around 9,000 individual chemical compounds – that are used widely in consumer products and industry. They can make products resistant to water, grease and stains and protect against fire.
Waterproof outdoor apparel and cosmetics, stain-resistant upholstery and carpets, food packaging that is designed to prevent liquid or grease from leaking through, and certain firefighting equipment often contain PFAS. In fact, one recent study found that most products labeled stain- or water-resistant contained PFAS, and another study found that this is even true among products labeled as “nontoxic” or “green.” PFAS are also found in unexpected places like high-performance ski and snowboard waxes, floor waxes and medical devices.
At first glance, PFAS sound pretty useful, so you might be wondering “what’s the big deal?”
The short answer is that PFAS are harmful to human health and the environment.
Some of the very same chemical properties that make PFAS attractive in products also mean these chemicals will persist in the environment for generations. Because of the widespread use of PFAS, these chemicals are now present in water, soil and living organisms and can be found across almost every part of the planet, including Arctic glaciers, marine mammals, remote communities living on subsistence diets, and in 98% of the American public.
The Environmental Protection Agency recently issued new warnings about their risk in drinking water even at very low levels.
Health risks from PFAS exposure
Once people are exposed to PFAS, the chemicals remain in their bodies for a long time – months to years, depending on the specific compound – and they can accumulate over time.
Research consistently demonstrates that PFAS are associated with a variety of adverse health effects. A recent review by a panel of experts looking at research on PFAS toxicity concluded with a high degree of certainty that PFAS contribute to thyroid disease, elevated cholesterol, liver damage and kidney and testicular cancer.
Stain-resistant fabrics and carpets often contain PFAS. Deagreez via Getty Images
Further, they concluded with a high degree of certainty that PFAS also affect babies exposed in utero by increasing their likelihood of being born at a lower birth weight and responding less effectively to vaccines, while impairing women’s mammary gland development, which may adversely impact a mom’s ability to breastfeed.
The review also found evidence that PFAS may contribute to a number of other disorders, though further research is needed to confirm existing findings: inflammatory bowel disease, reduced fertility, breast cancer and an increased likelihood of miscarriage and developing high blood pressure and preeclampsia during pregnancy. Additionally, current research suggests that babies exposed prenatally are at higher risk of experiencing obesity, early-onset puberty and reduced fertility later in life.
Collectively, this is a formidable list of diseases and disorders.
Who’s regulating PFAS?
PFAS chemicals have been around since the late 1930s, when a DuPont scientist created one by accident during a lab experiment. DuPont called it Teflon, which eventually became a household name for its use on nonstick pans.
Decades later, in 1998, Scotchgard maker 3M notified the Environmental Protection Agency that a PFAS chemical was showing up in human blood samples. At the time, 3M said low levels of the manufactured chemical had been detected in people’s blood as early as the 1970s.
Despite the lengthy list of serious health risks linked to PFAS and a tremendous amount of federal investment in PFAS-related research in recent years, PFAS haven’t been regulated at the federal level in the United States.
The EPA has issued advisories and health-based guidelines for two PFAS compounds – PFOA and PFOS – in drinking water, though these guidelines are not legally enforceable standards. And the Agency for Toxic Substances and Disease Registry has a toxicological profile for PFAS.
Federal rules could be coming. Congress is considering legislation to ban PFAS in some food packaging. The EPA has a road map for PFAS regulations it is considering, including regulations involving drinking water. The Biden administration has said it also expects to list PFOA and PFOS as hazardous substances under the Superfund law, a move that worries utilities and businesses that use PFAS-containing products or processes because of the expense of cleanup.
States, meanwhile, have been taking their own actions to protect residents against the risk of PFAS exposure.
At least 21 states have laws targeting PFAS in various uses, such as in food packaging and carpets. But relying on state laws places burdens on state agencies responsible for enforcing them and creates a patchwork of regulations which, in turn, place burdens on business and consumers to navigate regulatory nuances across state lines.
So, what can you do about PFAS?
Based on current scientific understanding, most people are exposed to PFAS primarily through their diet, though drinking water and airborne exposures may be significant among some people, especially if they live near known PFAS-related industries or contamination.
The best ways to protect yourself and your family from risks associated with PFAS are to educate yourself about potential sources of exposures.
Products labeled as water- or stain-resistant have a good chance of containing PFAS. Check the ingredients on products you buy and watch for chemical names containing “fluor-.” Specific trade names, such as Teflon and Gore-Tex, are also likely to contain PFAS.
Check whether there are sources of contamination near you, such as in drinking water or PFAS-related industries in the area. Some states don’t test or report PFAS contamination, so the absence of readily available information does not necessarily mean the region is free of PFAS problems.
For additional information about PFAS, check out the Agency for Toxic Substances and Disease Registry, EPA and U.S. Centers for Disease Control and Prevention websites or contact your state or local public health department.
If you believe you have been exposed to PFAS and are concerned about your health, contact your health care provider. The Agency for Toxic Substances and Disease Registry has a succinct report to help health care professionals understand the clinical implications of PFAS exposure.
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Kathryn Crawford has received funding from the National Institute of Environmental Health Sciences and the National Institute of General Medical Sciences.
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5 ways to be more food sustainable while travelingNatalia Deriabina // Shutterstock
It’s the night before a big trip. You’ve got your luggage packed, and your reusable cutlery and bags are tucked safely in your carry-on. The next day, you take public transportation to the airport, and after getting through security, you beeline it to the nearest coffee kiosk. There, you present the barista with your collapsible travel mug and reusable water bottle to fill. As you sip your latte and eat oatmeal with your stainless steel spoon, you start researching places to explore, seeking out farm-to-table restaurants and local markets.
In a world where convenience is king, it’s easy to take advantage of to-go containers and packaged goods. Large corporations have made us dependent on disposable plastics, and a mere 20 companies are responsible for producing more than 50% of single-use plastics that end up in landfills around the world. As a result, 8 million tons of plastic is dumped into the ocean each year. The pollution this causes can threaten wildlife, alter ecosystems, and pose risks to human health. A 2018 WWF report shows that every summer tourists account for a 40% spike in marine litter entering the Mediterranean Sea, meaning consumers do still have an impact on the environment as a whole.
Thankfully, there are manageable ways to combat that pollution and help keep Mother Earth healthy. Bounce compiled five simple ways for the modern traveler to engage in food sustainability. In addition to helping save the planet, these methods are also more affordable in the long run and can reduce clutter, which is something we could all use while traveling.
With these easy tips, you’ll be well on your way to being more food sustainable while traveling.
Natalia Deriabina // ShutterstockIt’s the night before a big trip. You’ve got your luggage packed, and your reusable cutlery and bags are tucked safely in your carry-on. The next day, you take public transportation to the airport, and after getting through security, you beeline it to the nearest coffee kiosk. There, you present the barista with your collapsible travel mug and reusable water bottle to fill. As you sip your latte and eat oatmeal with your stainless steel spoon, you start researching places to explore, seeking out farm-to-table restaurants and local markets.
In a world where convenience is king, it’s easy to take advantage of to-go containers and packaged goods. Large corporations have made us dependent on disposable plastics, and a mere 20 companies are responsible for producing more than 50% of single-use plastics that end up in landfills around the world. As a result, 8 million tons of plastic is dumped into the ocean each year. The pollution this causes can threaten wildlife, alter ecosystems, and pose risks to human health. A 2018 WWF report shows that every summer tourists account for a 40% spike in marine litter entering the Mediterranean Sea, meaning consumers do still have an impact on the environment as a whole.
Thankfully, there are manageable ways to combat that pollution and help keep Mother Earth healthy. Bounce compiled five simple ways for the modern traveler to engage in food sustainability. In addition to helping save the planet, these methods are also more affordable in the long run and can reduce clutter, which is something we could all use while traveling.
With these easy tips, you’ll be well on your way to being more food sustainable while traveling.

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5 ways to be more food sustainable while travelingMarina Litvinova // Shutterstock
If you’re able to find a hotel with an on-site restaurant—or better yet, accommodations with a kitchen—dining in is the way to go. Ordering takeout results in an abundance of packaging and single-use cutlery that can be avoided. According to a study published in Nature Sustainability, 44% of plastics polluting the ocean are linked to takeout food.
“It was shocking to find out that bags, bottles, food containers, and cutlery together with wrappers account for almost half of the human-made objects on a global scale,” study leader Dr. Carmen Morales of the University of Cadiz, Spain told BBC. “We found them in rivers, on the deep seabed, on shorelines, and floating off our coasts.”
Marina Litvinova // ShutterstockIf you’re able to find a hotel with an on-site restaurant—or better yet, accommodations with a kitchen—dining in is the way to go. Ordering takeout results in an abundance of packaging and single-use cutlery that can be avoided. According to a study published in Nature Sustainability, 44% of plastics polluting the ocean are linked to takeout food.
“It was shocking to find out that bags, bottles, food containers, and cutlery together with wrappers account for almost half of the human-made objects on a global scale,” study leader Dr. Carmen Morales of the University of Cadiz, Spain told BBC. “We found them in rivers, on the deep seabed, on shorelines, and floating off our coasts.”
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5 ways to be more food sustainable while travelingj.chizhe // Shutterstock
If you’re dining in, a trip to the store may seem like a logical next step; however, grocers tend to over-package their goods. Instead, try exploring local farmers markets and food vendors. U.S. travelers can use this tool to search for farmers markets based on zip codes, and making friends with locals is the best way to get the lowdown on where to go.
Of course, not all destinations have easily accessible markets. If you’re traveling somewhere that doesn’t offer one, try buying in bulk and packing your own produce bags.
j.chizhe // ShutterstockIf you’re dining in, a trip to the store may seem like a logical next step; however, grocers tend to over-package their goods. Instead, try exploring local farmers markets and food vendors. U.S. travelers can use this tool to search for farmers markets based on zip codes, and making friends with locals is the best way to get the lowdown on where to go.
Of course, not all destinations have easily accessible markets. If you’re traveling somewhere that doesn’t offer one, try buying in bulk and packing your own produce bags.
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5 ways to be more food sustainable while travelingRawpixel.com // Shutterstock
Even if you are staying somewhere that allows for dining in, you will want to go out to try local eateries or pack snacks or on-the-go meals for excursions. Investing in reusable, silicone zip bags that fit nicely into a backpack or purse can make for easy, waste-free storage. They’re also great for storing leftovers to combat food waste.
Bonus: Procuring reusable zip bags of different sizes can be more advantageous, as these can be used for more than just food. You can store a wet bathing suit or separate clothing in the larger containers, and keep your passport dry in the small ones.
Rawpixel.com // ShutterstockEven if you are staying somewhere that allows for dining in, you will want to go out to try local eateries or pack snacks or on-the-go meals for excursions. Investing in reusable, silicone zip bags that fit nicely into a backpack or purse can make for easy, waste-free storage. They’re also great for storing leftovers to combat food waste.
Bonus: Procuring reusable zip bags of different sizes can be more advantageous, as these can be used for more than just food. You can store a wet bathing suit or separate clothing in the larger containers, and keep your passport dry in the small ones.
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5 ways to be more food sustainable while travelingMicrogen // Shutterstock
It always pays off to be knowledgeable about the city you’re visiting. When researching restaurants, seek out those that utilize local ingredients. Not only do these establishments help out their communities by supporting local farmers, bakers, and the like, but they also lower greenhouse gas emissions from transportation. Buying fresh instead of frozen food means less plastic packaging waste, too.
If that’s hard to come by, look for eateries that make their sauces, dressings, and anything else in-house. Not only will the food most likely taste better, but you can feel better about doing your part to be more sustainable as well. Bonus points if you can find a place that does both.
Microgen // ShutterstockIt always pays off to be knowledgeable about the city you’re visiting. When researching restaurants, seek out those that utilize local ingredients. Not only do these establishments help out their communities by supporting local farmers, bakers, and the like, but they also lower greenhouse gas emissions from transportation. Buying fresh instead of frozen food means less plastic packaging waste, too.
If that’s hard to come by, look for eateries that make their sauces, dressings, and anything else in-house. Not only will the food most likely taste better, but you can feel better about doing your part to be more sustainable as well. Bonus points if you can find a place that does both.
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5 ways to be more food sustainable while travelingHappy cake Happy cafe // Shutterstock
While traveling, you will want to check out the local coffee shops and teahouses. If you’re getting your caffeine fix on the go, you may not want to pack a bulky travel mug. Luckily, you can invest in a collapsible cup that fits comfortably in your bag when not in use. If takeout becomes your only option for a meal, it’s always great to carry your own silverware. If you don’t want a spoon and fork jangling around in your bag, you can get a reusable spork that can do both jobs.
This story originally appeared on Bounce and was produced and distributed in partnership with Stacker Studio.
Happy cake Happy cafe // ShutterstockWhile traveling, you will want to check out the local coffee shops and teahouses. If you’re getting your caffeine fix on the go, you may not want to pack a bulky travel mug. Luckily, you can invest in a collapsible cup that fits comfortably in your bag when not in use. If takeout becomes your only option for a meal, it’s always great to carry your own silverware. If you don’t want a spoon and fork jangling around in your bag, you can get a reusable spork that can do both jobs.
This story originally appeared on Bounce and was produced and distributed in partnership with Stacker Studio.
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Is it possible to heal the damage we have already done to the Earth?brizmaker // Shuttestock
Administrative support is a crucial, albeit often thankless, role in any industry. As climate change and sustainability become higher priorities in both the private and public sectors in the coming years, the roles of many administrative workers may change from traditional clerical duties to include more work with large-scale environmental data, communication, and grassroots organizing.
brizmaker // ShuttestockAdministrative support is a crucial, albeit often thankless, role in any industry. As climate change and sustainability become higher priorities in both the private and public sectors in the coming years, the roles of many administrative workers may change from traditional clerical duties to include more work with large-scale environmental data, communication, and grassroots organizing.
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Is it possible to heal the damage we have already done to the Earth?Dnpatton // Wikimedia Commons
The Environmental Protection Agency (EPA) defines a brownfield as a property, once used for commercial or industrial purposes, which cannot easily be expanded, developed, or reused due to pollutants or other hazardous substances.
There are over 450,000 such properties in the U.S., ranging from large former factory sites to smaller abandoned gas stations. The EPA’s Brownfields Program started in 1995; it aims to help property owners and other stakeholders safely assess, clean, and redevelop their brownfields in a sustainable manner. This program has fostered the revitalization of more than 7,000 properties since its inception and has supported almost 150,000 administrative roles and manual labor jobs.
Dnpatton // Wikimedia CommonsThe Environmental Protection Agency (EPA) defines a brownfield as a property, once used for commercial or industrial purposes, which cannot easily be expanded, developed, or reused due to pollutants or other hazardous substances.
There are over 450,000 such properties in the U.S., ranging from large former factory sites to smaller abandoned gas stations. The EPA’s Brownfields Program started in 1995; it aims to help property owners and other stakeholders safely assess, clean, and redevelop their brownfields in a sustainable manner. This program has fostered the revitalization of more than 7,000 properties since its inception and has supported almost 150,000 administrative roles and manual labor jobs.
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Is it possible to heal the damage we have already done to the Earth?USCapitol // Flickr
One way to reduce American reliance on fossil fuels is by building electrification. Workers are brought in to construct new buildings and convert old ones to be entirely reliant on electric sources, such as electric air source heat pumps and heat pump water heaters, which conserve energy and may increasingly be powered by renewable sources.
Several local governments across the country, including Marin County and Palo Alto in California, have updated their building ordinances to require electric power for new buildings. Such electrification requires electrical engineers, architects, and construction workers alike to gain expertise in sustainable heating technology.
USCapitol // FlickrOne way to reduce American reliance on fossil fuels is by building electrification. Workers are brought in to construct new buildings and convert old ones to be entirely reliant on electric sources, such as electric air source heat pumps and heat pump water heaters, which conserve energy and may increasingly be powered by renewable sources.
Several local governments across the country, including Marin County and Palo Alto in California, have updated their building ordinances to require electric power for new buildings. Such electrification requires electrical engineers, architects, and construction workers alike to gain expertise in sustainable heating technology.
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Is it possible to heal the damage we have already done to the Earth?NPS Photo
Building rehabilitation, remediation, and hardening involve the preservation of old buildings to bring them up to modern health and sustainability standards. This may include removing dangerous substances that were used in previous construction efforts, such as asbestos, chlordane, lead, and polychlorinated biphenyls (or PCBs), organic compounds that cause a wide range of health problems in animals and humans.
Similar to building electrification, this job may require people with different levels of education or specialized expertise, from environmental specialists (who need at least a bachelor’s degree) to construction laborers.
NPS PhotoBuilding rehabilitation, remediation, and hardening involve the preservation of old buildings to bring them up to modern health and sustainability standards. This may include removing dangerous substances that were used in previous construction efforts, such as asbestos, chlordane, lead, and polychlorinated biphenyls (or PCBs), organic compounds that cause a wide range of health problems in animals and humans.
Similar to building electrification, this job may require people with different levels of education or specialized expertise, from environmental specialists (who need at least a bachelor’s degree) to construction laborers.
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Is it possible to heal the damage we have already done to the Earth?AMISOM Public Information // Wikimedia Commons
For humanity to turn things around and protect the planet from the impending dangers of climate change, we must first collectively get on the same page about what those dangers entail.
To that end, science communicators have a key role in helping members of the public, from lawmakers to ordinary voters, understand how their communities are impacted by climate change and what they can do to help. Science communicators may start with a background in science, communication, or a combination of the two, and may work as journalists, for government agencies, or in other multimedia roles.
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AMISOM Public Information // Wikimedia CommonsFor humanity to turn things around and protect the planet from the impending dangers of climate change, we must first collectively get on the same page about what those dangers entail.
To that end, science communicators have a key role in helping members of the public, from lawmakers to ordinary voters, understand how their communities are impacted by climate change and what they can do to help. Science communicators may start with a background in science, communication, or a combination of the two, and may work as journalists, for government agencies, or in other multimedia roles.
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Is it possible to heal the damage we have already done to the Earth?Lorie Shaull // Wikimedia Commons
Similar to science communicators, community educators help fight climate change by providing people with the necessary knowledge and skills to get active in their own backyards. Community educators may work with schools, government agencies, activist groups, and other local institutions to lead workshops and other types of training events.
The Bureau of Labor Statistics predicts that job opportunities for this occupation, which usually require a bachelor’s degree, will grow by 18% from 2016 to 2026—much faster than the average.
Lorie Shaull // Wikimedia CommonsSimilar to science communicators, community educators help fight climate change by providing people with the necessary knowledge and skills to get active in their own backyards. Community educators may work with schools, government agencies, activist groups, and other local institutions to lead workshops and other types of training events.
The Bureau of Labor Statistics predicts that job opportunities for this occupation, which usually require a bachelor’s degree, will grow by 18% from 2016 to 2026—much faster than the average.
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Is it possible to heal the damage we have already done to the Earth?Justin Sullivan // Getty Images
One inescapable impact of climate change is its effect on extreme weather: A March 2019 study by Carbon Brief suggests that 68% of all extreme weather events investigated to date, including heatwaves, droughts, and hurricanes, have been made more likely or more severe by human-caused climate change.
The field of emergency preparation must then grow in kind, to help the government and other public safety workers respond to emergencies as quickly and effectively as possible. And disaster preparedness doesn’t just apply to weather, either—climate change is also tied to more long-lasting natural disasters, such as disease epidemics, which can spread much more rapidly in our increasingly globalized world.
[Pictured: Firefighters train ahead of wildfire season.]
Justin Sullivan // Getty ImagesOne inescapable impact of climate change is its effect on extreme weather: A March 2019 study by Carbon Brief suggests that 68% of all extreme weather events investigated to date, including heatwaves, droughts, and hurricanes, have been made more likely or more severe by human-caused climate change.
The field of emergency preparation must then grow in kind, to help the government and other public safety workers respond to emergencies as quickly and effectively as possible. And disaster preparedness doesn’t just apply to weather, either—climate change is also tied to more long-lasting natural disasters, such as disease epidemics, which can spread much more rapidly in our increasingly globalized world.
[Pictured: Firefighters train ahead of wildfire season.]
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Is it possible to heal the damage we have already done to the Earth?U.S. Department of Energy // Wikimedia Commons
Electric cars and hybrids are becoming increasingly affordable: While Tesla’s first electric car, the Roadster, cost over $100,000 at its release in 2008, consumers may now purchase a Hyundai, Chevrolet, or Volkswagen model for a third of that price. Electric cars reduce pollution, save their owners money, and may now be charged at home or on the road. The automobile industry is also shifting to develop and rely on biofuels, or fuels made out of sustainable plant and animal materials, which cut down our reliance on oil.
[Pictured: National Renewable Energy Laboratory engineers work in electric vehicle supply equipment.]
U.S. Department of Energy // Wikimedia CommonsElectric cars and hybrids are becoming increasingly affordable: While Tesla’s first electric car, the Roadster, cost over $100,000 at its release in 2008, consumers may now purchase a Hyundai, Chevrolet, or Volkswagen model for a third of that price. Electric cars reduce pollution, save their owners money, and may now be charged at home or on the road. The automobile industry is also shifting to develop and rely on biofuels, or fuels made out of sustainable plant and animal materials, which cut down our reliance on oil.
[Pictured: National Renewable Energy Laboratory engineers work in electric vehicle supply equipment.]
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Is it possible to heal the damage we have already done to the Earth?FirstEnergy Corp. // Flickr
Energy auditing, similar to its financial counterpart, involves the official inspection and assessment of the energy that specific homes or other buildings are using. Professional energy auditors may conduct such an inspection by examining each room of a building, using equipment such as blower doors (to measure how airtight different rooms are) and infrared cameras (to detect hot and cold areas around doors, windows, and walls).
The U.S. Department of Energy recommends that homeowners conduct an energy audit before making energy-saving home improvements, such as installing solar panels or changing heating systems.
[Pictured: FirstEnergy Launches Grid Modernization Program in Pennsylvania.]
FirstEnergy Corp. // FlickrEnergy auditing, similar to its financial counterpart, involves the official inspection and assessment of the energy that specific homes or other buildings are using. Professional energy auditors may conduct such an inspection by examining each room of a building, using equipment such as blower doors (to measure how airtight different rooms are) and infrared cameras (to detect hot and cold areas around doors, windows, and walls).
The U.S. Department of Energy recommends that homeowners conduct an energy audit before making energy-saving home improvements, such as installing solar panels or changing heating systems.
[Pictured: FirstEnergy Launches Grid Modernization Program in Pennsylvania.]
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Is it possible to heal the damage we have already done to the Earth?Davis Dekunder // JBSA
The U.S. electricity grid has the overall capacity to store about 23 gigawatts of energy: approximately the capacity of 38 typical coal plants, according to the Union of Concerned Scientists. This storage, which primarily relies on nuclear power, is currently serving us well: At night, when demand for electricity is low, the energy from nuclear power plants is built up and stored for high-demand hours the next day.
However, renewable energy sources such as solar and wind power produce energy at more variable rates; as a result, if our energy reliance shifts further toward these methods, expert engineers will need to increase our storage capacity. New energy storage methods currently under development include thermal storage, compressed air, and large-scale batteries.
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Davis Dekunder // JBSAThe U.S. electricity grid has the overall capacity to store about 23 gigawatts of energy: approximately the capacity of 38 typical coal plants, according to the Union of Concerned Scientists. This storage, which primarily relies on nuclear power, is currently serving us well: At night, when demand for electricity is low, the energy from nuclear power plants is built up and stored for high-demand hours the next day.
However, renewable energy sources such as solar and wind power produce energy at more variable rates; as a result, if our energy reliance shifts further toward these methods, expert engineers will need to increase our storage capacity. New energy storage methods currently under development include thermal storage, compressed air, and large-scale batteries.
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Is it possible to heal the damage we have already done to the Earth?U.S. Air Force photo by Senior Airman Larry E. Reid Jr.
Just as U.S. energy storage technology needs to be updated to serve the needs of renewable energy sources, our national power grid will need to be updated so that energy can be efficiently and reliably distributed around the country. Although many of the technical aspects of grid modernization will fall on electrical engineers, this industry also has opportunities for people interested in communications and marketing.
U.S. Air Force photo by Senior Airman Larry E. Reid Jr.Just as U.S. energy storage technology needs to be updated to serve the needs of renewable energy sources, our national power grid will need to be updated so that energy can be efficiently and reliably distributed around the country. Although many of the technical aspects of grid modernization will fall on electrical engineers, this industry also has opportunities for people interested in communications and marketing.
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Is it possible to heal the damage we have already done to the Earth?USFWS Mountain-Prairie // Flickr
In ecology, the term “invasive” refers to an animal or plant species introduced to a region outside of its home range and has become a threat to naturally occurring wildlife or agricultural production in that new area.
In the U.S., particularly invasive species include the Chinese privet, a shrub that now dominates more than 1 million hectares of land across the southern U.S., and Burmese pythons, which threaten the birds, mammals, and even crocodiles in Florida. Wildlife experts in the National Parks Service and private organizations are coming up with increasingly creative measures to control the spread of invasive species; in New York City, for example, goat populations have been established in city parks to dispose of invasive plants.
USFWS Mountain-Prairie // FlickrIn ecology, the term “invasive” refers to an animal or plant species introduced to a region outside of its home range and has become a threat to naturally occurring wildlife or agricultural production in that new area.
In the U.S., particularly invasive species include the Chinese privet, a shrub that now dominates more than 1 million hectares of land across the southern U.S., and Burmese pythons, which threaten the birds, mammals, and even crocodiles in Florida. Wildlife experts in the National Parks Service and private organizations are coming up with increasingly creative measures to control the spread of invasive species; in New York City, for example, goat populations have been established in city parks to dispose of invasive plants.
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Is it possible to heal the damage we have already done to the Earth?CDE Global // Flickr
Landfills full of municipal solid waste are the third-largest source of human-related methane emissions in the U.S., according to the EPA. This methane doesn’t need to float up into the atmosphere as a dangerous greenhouse gas, though—a landfill gas treatment system installed over the trash site can clean and process the methane, allowing it to be reused as vehicle fuel or to produce electricity. As of February 2019, EPA engineers had helped transform more than 600 landfills with these eco-friendly treatment systems.
[Pictured: The DMax plant can process many materials and reduces waste to landfill volumes.]
CDE Global // FlickrLandfills full of municipal solid waste are the third-largest source of human-related methane emissions in the U.S., according to the EPA. This methane doesn’t need to float up into the atmosphere as a dangerous greenhouse gas, though—a landfill gas treatment system installed over the trash site can clean and process the methane, allowing it to be reused as vehicle fuel or to produce electricity. As of February 2019, EPA engineers had helped transform more than 600 landfills with these eco-friendly treatment systems.
[Pictured: The DMax plant can process many materials and reduces waste to landfill volumes.]
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Is it possible to heal the damage we have already done to the Earth?Pexels
Just as buildings can be made more sustainable when they rely on electric power, so too can public transportation. Major cities around the world are electrifying their public transportation systems: For example, every five weeks, 9,500 electric buses are deployed in China, helping to combat the country's problem with urban air pollution.
In addition to sustainability benefits, electric buses are more comfortable, as they generate less noise and vibrations than diesel buses. The U.S. is due to follow this trend as well; Bloomberg predicts 84% of the entire world's buses will be electric by 2030.
PexelsJust as buildings can be made more sustainable when they rely on electric power, so too can public transportation. Major cities around the world are electrifying their public transportation systems: For example, every five weeks, 9,500 electric buses are deployed in China, helping to combat the country's problem with urban air pollution.
In addition to sustainability benefits, electric buses are more comfortable, as they generate less noise and vibrations than diesel buses. The U.S. is due to follow this trend as well; Bloomberg predicts 84% of the entire world's buses will be electric by 2030.
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Is it possible to heal the damage we have already done to the Earth?Metropolitan Transportation Authority of the State of New York // Flickr
Repairing buses or performing maintenance on the subway may seem like a mundane job, but it is in fact vital to helping millions of Americans live more sustainable lifestyles.
Riding a subway system such as San Francisco’s BART to work emits about three times less carbon dioxide per mile than driving a standard sedan. Thus, everyone from the city planners who develop new subway lines to the drivers who remind you to ‘stand clear of the closing doors, please’ plays a role in reducing overall greenhouse gas emissions for urban communities.
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Metropolitan Transportation Authority of the State of New York // FlickrRepairing buses or performing maintenance on the subway may seem like a mundane job, but it is in fact vital to helping millions of Americans live more sustainable lifestyles.
Riding a subway system such as San Francisco’s BART to work emits about three times less carbon dioxide per mile than driving a standard sedan. Thus, everyone from the city planners who develop new subway lines to the drivers who remind you to ‘stand clear of the closing doors, please’ plays a role in reducing overall greenhouse gas emissions for urban communities.
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Is it possible to heal the damage we have already done to the Earth?U.S. Department of Agriculture // Flickr
Green spaces such as parks and community gardens can combat the effects of climate change: Trees, grasses, and other vegetation clean carbon dioxide from the air and add nutrients to the soil, preventing runoff.
In cities, shaded areas and bodies of water in parks can help keep the air cool. And green spaces have been linked to a variety of health benefits, including better cardiovascular health, mental health, and opportunities for social contact. As a result, many American cities are developing new green spaces and improving upon old ones.
[Pictured: New York City Housing Authority gardens in Brooklyn.]
U.S. Department of Agriculture // FlickrGreen spaces such as parks and community gardens can combat the effects of climate change: Trees, grasses, and other vegetation clean carbon dioxide from the air and add nutrients to the soil, preventing runoff.
In cities, shaded areas and bodies of water in parks can help keep the air cool. And green spaces have been linked to a variety of health benefits, including better cardiovascular health, mental health, and opportunities for social contact. As a result, many American cities are developing new green spaces and improving upon old ones.
[Pictured: New York City Housing Authority gardens in Brooklyn.]
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Is it possible to heal the damage we have already done to the Earth?Jim.henderson // Wikimedia Commons
Taking public transportation is a great method to reduce your carbon footprint if it’s available—walking or biking to work is even better.
The city planners, local government workers, and construction workers who develop new pedestrian and bike lanes help Americans save gas and money: In one cost-benefit analysis, researchers found that planned investments in bike lanes in Portland, Oregon, could save the city’s residents more than $500 million in health care costs.
Jim.henderson // Wikimedia CommonsTaking public transportation is a great method to reduce your carbon footprint if it’s available—walking or biking to work is even better.
The city planners, local government workers, and construction workers who develop new pedestrian and bike lanes help Americans save gas and money: In one cost-benefit analysis, researchers found that planned investments in bike lanes in Portland, Oregon, could save the city’s residents more than $500 million in health care costs.
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Is it possible to heal the damage we have already done to the Earth?U.S. Department of Agriculture // Flickr
Pest control workers typically require a high school diploma and on-the-job training. Controlling the spread of locusts, beetles, rootworms, and other insects is becoming vitally important to agricultural production as rising temperatures enable these pests in reproducing more rapidly and widening their ranges. Agricultural scientists recommend that farmers and farm policy specialists look into new pest management strategies and new, more resilient genetically modified crops.
[Pictured: California Cotton Pest Control Board Chair Ted Sheely, in Lemoore, 2018.]
U.S. Department of Agriculture // FlickrPest control workers typically require a high school diploma and on-the-job training. Controlling the spread of locusts, beetles, rootworms, and other insects is becoming vitally important to agricultural production as rising temperatures enable these pests in reproducing more rapidly and widening their ranges. Agricultural scientists recommend that farmers and farm policy specialists look into new pest management strategies and new, more resilient genetically modified crops.
[Pictured: California Cotton Pest Control Board Chair Ted Sheely, in Lemoore, 2018.]
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Is it possible to heal the damage we have already done to the Earth?University of Fraser Valley // Flickr
Public green space maintenance includes everything from botanist surveys of all the plants in New York City to snowplows clearing the paths of Central Park after a blizzard. Some of these maintenance jobs are entry-level, while others require specialized training in areas such as plumbing and horticulture. In addition, green space maintenance can be permanent or flexible: The National Parks Service offers seasonal park ranger opportunities for those who want to spend a summer in nature.
University of Fraser Valley // FlickrPublic green space maintenance includes everything from botanist surveys of all the plants in New York City to snowplows clearing the paths of Central Park after a blizzard. Some of these maintenance jobs are entry-level, while others require specialized training in areas such as plumbing and horticulture. In addition, green space maintenance can be permanent or flexible: The National Parks Service offers seasonal park ranger opportunities for those who want to spend a summer in nature.
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Is it possible to heal the damage we have already done to the Earth?ROBYN BECK/AFP // Getty Images
Rep. Alexandria Ocasio-Cortez and Sen. Ed Markey’s proposed Green New Deal called for all energy consumption to come from “clean, renewable, and zero-emission” sources by 2030; other politicians have proposed similar legislation. It is safe to say that engineers and technicians with expertise in solar panel installation, wind turbines, and geothermal energy will soon be in high demand. Jobs in solar energy, for example, grew by 159% from 2010 to 2018, according to the National Solar Foundation.
[Pictured: EnXco tag line crew member hoists a propeller up to the top of the windmill in Palm Springs, California.]
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ROBYN BECK/AFP // Getty ImagesRep. Alexandria Ocasio-Cortez and Sen. Ed Markey’s proposed Green New Deal called for all energy consumption to come from “clean, renewable, and zero-emission” sources by 2030; other politicians have proposed similar legislation. It is safe to say that engineers and technicians with expertise in solar panel installation, wind turbines, and geothermal energy will soon be in high demand. Jobs in solar energy, for example, grew by 159% from 2010 to 2018, according to the National Solar Foundation.
[Pictured: EnXco tag line crew member hoists a propeller up to the top of the windmill in Palm Springs, California.]
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Is it possible to heal the damage we have already done to the Earth?Joe Raedle // Getty Images
As climate change increases the frequency and severity of severe weather events, both highways and local roadways are more at risk of damage.
A week of severe rain and flooding in Colorado in September 2013, for example, destroyed or damaged nearly 500 miles of public roads, costing more than $500 million in damages. As a result, local governments are concerned with rebuilding old roads and constructing new roads to be more stable in the face of disaster; such construction involves collaboration between government officials, other landowners, engineers, hydrologists, and construction workers.
[Pictured: Construction workers build along State Road 836 in Miami, Florida.]
Joe Raedle // Getty ImagesAs climate change increases the frequency and severity of severe weather events, both highways and local roadways are more at risk of damage.
A week of severe rain and flooding in Colorado in September 2013, for example, destroyed or damaged nearly 500 miles of public roads, costing more than $500 million in damages. As a result, local governments are concerned with rebuilding old roads and constructing new roads to be more stable in the face of disaster; such construction involves collaboration between government officials, other landowners, engineers, hydrologists, and construction workers.
[Pictured: Construction workers build along State Road 836 in Miami, Florida.]
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Is it possible to heal the damage we have already done to the Earth?Alex Edelman // Getty Images
Extreme weather events such as severe rainstorms don’t only damage roads; they also cause sewer systems to overflow, releasing millions of gallons of untreated sewage water into homes and businesses.
For instance, 681 million gallons of sewage were released in April 2015 in Milwaukee after only three days of rain. In order to prepare for such flooding, some cities are employing engineers and hydrologists to design more resilient sewer systems. New York City in January 2019 invested $28 million in a new project to install new storm sewers, sanitary sewers, water mains, catch basins, and wetland protection systems on Staten Island.
[Pictured: A work crew attempts to repair the road and clear drains in Ellicott City, Maryland, 2018.]
Alex Edelman // Getty ImagesExtreme weather events such as severe rainstorms don’t only damage roads; they also cause sewer systems to overflow, releasing millions of gallons of untreated sewage water into homes and businesses.
For instance, 681 million gallons of sewage were released in April 2015 in Milwaukee after only three days of rain. In order to prepare for such flooding, some cities are employing engineers and hydrologists to design more resilient sewer systems. New York City in January 2019 invested $28 million in a new project to install new storm sewers, sanitary sewers, water mains, catch basins, and wetland protection systems on Staten Island.
[Pictured: A work crew attempts to repair the road and clear drains in Ellicott City, Maryland, 2018.]
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Is it possible to heal the damage we have already done to the Earth?U.S. Department of Agriculture // Flickr
We usually think of the atmosphere as the primary source of carbon on Earth, but that’s a myth: The Earth’s soils contain two to three times more of this vital element. Yet one-third of these soils have been damaged by poor farming practices, industry, and urbanization.
Testing the health of and putting carbon back into our soils is thus a key strategy for revitalizing the planet, Dr. Cornelia Rumpel of the French National Centre for Scientific Research and several colleagues argued in a December 2018 Nature article. These scientists suggest protecting peatlands (which have high soil carbon), promoting carbon intake in soils through better farming strategies, and monitoring soils more closely year-round.
U.S. Department of Agriculture // FlickrWe usually think of the atmosphere as the primary source of carbon on Earth, but that’s a myth: The Earth’s soils contain two to three times more of this vital element. Yet one-third of these soils have been damaged by poor farming practices, industry, and urbanization.
Testing the health of and putting carbon back into our soils is thus a key strategy for revitalizing the planet, Dr. Cornelia Rumpel of the French National Centre for Scientific Research and several colleagues argued in a December 2018 Nature article. These scientists suggest protecting peatlands (which have high soil carbon), promoting carbon intake in soils through better farming strategies, and monitoring soils more closely year-round.
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Is it possible to heal the damage we have already done to the Earth?Aaron Volkening // Flickr
Upgrading and maintaining city-wide sewers is not the only task involved in keeping polluted water from seeping into streets and soils. In fact, the environmental consulting firm EEC Environmental recommends every homeowner takes time to investigate where rainwater and stormwater flow on their property in order to make construction or landscaping adjustments to reduce runoff and protect their land. Environmental consultants, as well as developers and contractors, may be involved in this work.
Aaron Volkening // FlickrUpgrading and maintaining city-wide sewers is not the only task involved in keeping polluted water from seeping into streets and soils. In fact, the environmental consulting firm EEC Environmental recommends every homeowner takes time to investigate where rainwater and stormwater flow on their property in order to make construction or landscaping adjustments to reduce runoff and protect their land. Environmental consultants, as well as developers and contractors, may be involved in this work.
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Is it possible to heal the damage we have already done to the Earth?Pixnio
The Great Plains in the 1930s—after about a decade of intense, mechanized farming techniques—was struck by an intense period of drought, crop failure, and economic depression known as the Dust Bowl, which stands as one of the worst ecological disasters in human history.
Today, many farmers and agricultural scientists work to ensure a disaster like the Dust Bowl never happens again through more sustainable farming practices. These sustainable techniques include growing multiple crops in the same area to increase soil nutrients, planting cover crops (like clover and hairy vetch) during the off-season, and integrating livestock with crops to create more ecologically natural environments for plants and animals.
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PixnioThe Great Plains in the 1930s—after about a decade of intense, mechanized farming techniques—was struck by an intense period of drought, crop failure, and economic depression known as the Dust Bowl, which stands as one of the worst ecological disasters in human history.
Today, many farmers and agricultural scientists work to ensure a disaster like the Dust Bowl never happens again through more sustainable farming practices. These sustainable techniques include growing multiple crops in the same area to increase soil nutrients, planting cover crops (like clover and hairy vetch) during the off-season, and integrating livestock with crops to create more ecologically natural environments for plants and animals.
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Is it possible to heal the damage we have already done to the Earth?Alex Indigo // Flickr
Tree planting is perhaps the job on this list that requires the least amount of expertise: Anyone can buy a sapling, plant it in their backyard, and help it grow. But this small task, if multiplied on a grand scale, can transform urban and rural neighborhoods alike, as trees filter pollutants from the air, provide habitats and food for other plants and animals, and even save energy by insulating buildings.
Some cities are mobilizing their citizens to plant and take care of trees in their neighborhoods: In 2016, New York City completed its initiative to plant 1 million trees across the city.
Alex Indigo // FlickrTree planting is perhaps the job on this list that requires the least amount of expertise: Anyone can buy a sapling, plant it in their backyard, and help it grow. But this small task, if multiplied on a grand scale, can transform urban and rural neighborhoods alike, as trees filter pollutants from the air, provide habitats and food for other plants and animals, and even save energy by insulating buildings.
Some cities are mobilizing their citizens to plant and take care of trees in their neighborhoods: In 2016, New York City completed its initiative to plant 1 million trees across the city.
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Is it possible to heal the damage we have already done to the Earth?IVAN COURANNE/AFP // Getty Images
Recycling has become fairly ubiquitous in American culture: Many people are used to separating out paper from plastic and checking for little triangular symbols on the bottoms of containers. In 2018, the U.S. recycled and composted a total of 94 million tons of municipal solid waste, according to the EPA: That’s a lot of job opportunities—collecting, sorting, processing, and recycling 94 million tons of waste is no easy feat, especially after China stopped importing several key American recyclables.
[Pictured: Trucks deliver trash and recycling waste at the Fort Totten Transfer Station in Washington D.C.]
IVAN COURANNE/AFP // Getty ImagesRecycling has become fairly ubiquitous in American culture: Many people are used to separating out paper from plastic and checking for little triangular symbols on the bottoms of containers. In 2018, the U.S. recycled and composted a total of 94 million tons of municipal solid waste, according to the EPA: That’s a lot of job opportunities—collecting, sorting, processing, and recycling 94 million tons of waste is no easy feat, especially after China stopped importing several key American recyclables.
[Pictured: Trucks deliver trash and recycling waste at the Fort Totten Transfer Station in Washington D.C.]
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Is it possible to heal the damage we have already done to the Earth?Shuo Yan // Wikimedia Commons
Communities from Flint, Michigan, to Pittsburgh to Brady, Texas, have been exposed to hazardous compounds in their tap water, many of which enter water systems through accidental chemical spills, sewage runoff, and atmospheric deposition. Scientists, engineers, and machinery operators alike play roles in addressing these water quality issue. A high school diploma is usually required to become a water and wastewater treatment plant and system operator.
[Pictured: Kingsland Wildflowers Green Roof with Newtown Creek Wastewater Treatment Plant, New York.]
Shuo Yan // Wikimedia CommonsCommunities from Flint, Michigan, to Pittsburgh to Brady, Texas, have been exposed to hazardous compounds in their tap water, many of which enter water systems through accidental chemical spills, sewage runoff, and atmospheric deposition. Scientists, engineers, and machinery operators alike play roles in addressing these water quality issue. A high school diploma is usually required to become a water and wastewater treatment plant and system operator.
[Pictured: Kingsland Wildflowers Green Roof with Newtown Creek Wastewater Treatment Plant, New York.]
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Is it possible to heal the damage we have already done to the Earth?U.S. Department of Enrgy // Flickr
Weatherization is a common practice in modern construction; the term refers to a variety of home improvements that protect buildings from sunlight, precipitation, and wind. After performing an energy audit, you can hire an expert or engage in some do-it-yourself remodeling to weatherize your home through reducing air leaks, controlling moisture, regulating ventilation, and other techniques.
U.S. Department of Enrgy // FlickrWeatherization is a common practice in modern construction; the term refers to a variety of home improvements that protect buildings from sunlight, precipitation, and wind. After performing an energy audit, you can hire an expert or engage in some do-it-yourself remodeling to weatherize your home through reducing air leaks, controlling moisture, regulating ventilation, and other techniques.
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Is it possible to heal the damage we have already done to the Earth?USDA NRCS Texas // Flickr
You’ve likely been to a wetland, even if you don't know it: This category includes marshes, mudflats, swamps, river basins, and bogs—basically any land area that's covered by water for most of the year. Many wetlands are priority areas for conservation because they act as natural buffers, absorbing floodwater from tropical storms and hurricanes.
American wetlands are also home to many endangered plants and animals, such as the bald eagle, whooping crane, and swamp rose. Ecologists, environmental scientists, parks workers, and environmental policy experts are all involved in studying and protecting America's wetlands.
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USDA NRCS Texas // FlickrYou’ve likely been to a wetland, even if you don't know it: This category includes marshes, mudflats, swamps, river basins, and bogs—basically any land area that's covered by water for most of the year. Many wetlands are priority areas for conservation because they act as natural buffers, absorbing floodwater from tropical storms and hurricanes.
American wetlands are also home to many endangered plants and animals, such as the bald eagle, whooping crane, and swamp rose. Ecologists, environmental scientists, parks workers, and environmental policy experts are all involved in studying and protecting America's wetlands.
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