What Are ‘Forever Chemicals’ and How Are They Getting in Your Food?
fotofrog / E+ / Getty Images
By Gigen Mammoser
A recent analysis by the U.S. Food and Drug Administration (FDA) found chemical contamination of PFAS (Per- and polyfluoroalkyl substances) at multiple levels of the U.S. food supply chain.
However, the agency maintains that their findings don't represent a likely health concern for consumers.
What Are PFAS and Why Are They Used?
PFAS are a widely used class of nearly 5,000 synthetic chemicals that have been used in manufacturing since the 1940s. They're oil-, water-, and heat-resistant, making them profoundly useful and popular in all manner of products.
These are the chemicals that make carpets stain resistant and fast food packaging able to repel grease and water.
They're also used in fire-fighting foams and what gives nonstick cookware, well, it's non-stickiness.
And dental floss contains them, too.
They're also known as "forever chemicals," because the molecular bonds that form them can take thousands of years to degrade, meaning that they accumulate both in the environment and in our bodies.
So, when images of an FDA presentation came to light last week, they appeared to confirm what many doctors and scientists have thought for some time.
PFAS Are Everywhere, Even in Food
FDA scientists sampled a wide variety of food sources across the country, including some taken directly from geographic areas known to have PFAS contamination.
The milk at a dairy farm in New Mexico was deemed to be a potential human health hazard after being contaminated by PFAS in groundwater.
Leafy green vegetables like lettuce, kale, and cabbage grown downstream from a PFAS production plant in North Carolina and sold at a local farmers were found to contain the chemicals as well, but at low levels.
The FDA did not deem them a human health concern.
Additionally, PFAS were found in 14 out of 91 samples of meat, dairy, and grain samples, including off-the-shelf chocolate cake.
Reason for Concern?
Despite what the findings seem to imply — that PFAS are widespread throughout the U.S. food-supply chain at various levels from production to packaging — the FDA's consensus is optimistic.
"Our findings did not detect PFAS in the vast majority of the foods tested. In addition, based on the best available current science, the FDA does not have any indication that these substances are a human health concern, in other words a food safety risk in human food, at the levels found in this limited sampling," the FDA said in a statement released today.Trusted Source
However, those sentiments don't appear to be shared by other experts in the field of public health.
"It's certainly not a surprise in the sense that it's long been known that the general population is exposed to these chemicals. Essentially everyone in the U.S. has these chemicals in their bodies. We've known that for a long time," said Dr. Ken Spaeth, chief of occupational and environmental medicine at Northwell Health in New York.
"My concern is that these particular FDA researchers concluded that these were safe levels, that there were no hazards posed by these levels, and I would take issue with that," Dr. Spaeth said.
He argues that looking at individual PFAS levels in chocolate cake and cabbages loses sight of the "big picture" of PFAS, which is about cumulative, lifetime exposure.
In other words, it's about the PFAS levels that are in everything from the water we drink to the furniture in our house rather than just what's found in that box of chocolate cake on store shelves.
How PFAS Can Affect Health
PFAS are recognized as having the potential to cause a host of serious health problems, including cancers, liver and kidney problems, reproductive harm, high blood pressure, and thyroid issues.
The strongest evidence of such adverse health effects comes from an epidemiological study known as the C8 Health Project, which took place from the 1950s until 2002 in areas of known water contamination in West Virginia and Ohio.
What still remains unclear is at what level of lifetime exposure do these health effects manifest.
There are currently no federally-regulated safety levels for PFAS by the FDA or other federal agencies.
In 2016, the Environmental Protection Agency (EPA) issued a health advisory for certain PFAS, which set a lifetime exposure limit for drinking water at 70 parts per trillion.
However, health advisories are non-binding, non-enforceable limits that are instead meant to inform the public and health officials.
"EPA does not anticipate a person to experience negative health effects if they drink water with levels of PFOA or PFAS (or both combined) at or below 70 ppt (parts per trillion) every day over their entire lifetime. The health advisories are based on estimated exposure from drinking water and household use of drinking water during food preparation (e.g., cooking or to prepare coffee, tea, or soup)," an EPA spokesperson told Healthline in an email.
The spokesperson said that the limit set by the health advisory isn't appropriate to identify the potential exposure risk of other products, including food sources like fish, meat, and dairy.
Wendy Heiger-Bernays, PhD, a molecular toxicologist in the Department of Environmental Health at the Boston University School of Public Health, told Healthline that the FDA's findings provide further proof that federal regulations need to be established across one or more agencies.
"I think they need to be established very quickly. The evidence is sufficient to set limits," she said.
Dr. Heiger-Bernays is keenly aware of the potential danger of PFAS in the environment and our bodies because of her understanding of the special bonds that make them "forever chemicals."
"When you have these two atoms, carbons and fluorines, and they bind together molecularly, it creates a molecule that cannot be broken down by enzymes in the body, by sunlight, by microorganisms. They just can't be broken down," she said. "They are here forever."
Some Good News
Blood levels of certain PFAS have actually declined over the past two decades.
In 2006, the EPA launched the PFOA Stewardship Program alongside the eight major companies of the PFAS industry including 3M and DuPont, to help phase out certain PFAS from manufacturing.
But without any real regulation at the federal level, there's little that individuals can do to mitigate their own exposure to PFAS because of how widespread they are throughout commercial and consumer goods.
"It would require multiple agencies since no one arena is probably sufficient to ensure that exposures are adequately reduced. It would take a coordinated effort, which means there has to be political and regulatory focus for this to happen," Spaeth said. "There doesn't seem to be a critical mass of political will to get this done."
Reposted with permission from our media associate Healthline.
EcoWatch Daily Newsletter
By Olivia Sullivan
One of the many unfortunate outcomes of the coronavirus pandemic has been the quick and obvious increase in single-use plastic products. After COVID-19 arrived in the United States, many grocery stores prohibited customers from using reusable bags, coffee shops banned reusable mugs, and takeout food with plastic forks and knives became the new normal.
Kamikatsu, Japan. Yuki Shimazu / CC BY-SA 2.0<p>This reveals a worldwide truth: Even products made mostly from easily recyclable materials like paper, aluminum or cardboard can't be sorted and recycled if they contain plastic components that can't be separated.</p><p>The truth is, some materials simply aren't recyclable, and <a href="https://advances.sciencemag.org/content/3/7/e1700782" target="_blank">only 9%</a> of all the plastic ever created has <em>been </em>recycled. As Kamikatsu's residents have painstakingly proven, no matter how many categories consumers sort their waste into or how diligently they scrub down their plastic food containers, most plastics <a href="https://www.greenpeace.org/usa/wp-content/uploads/2020/02/Greenpeace-Report-Circular-Claims-Fall-Flat.pdf" target="_blank">cannot be recycled</a>.</p><p>Meanwhile we keep hearing the <a href="https://thehill.com/opinion/energy-environment/504091-the-insanity-of-plastic-recycling" target="_blank">industry-driven narrative</a> that recycling can stop plastic from choking our marine life or littering our natural places. That's intentionally misleading.</p><p>Around the world, as in Kamikatsu, plastic is everywhere. With excessive amounts of plastic products and packaging stocked on store shelves, it's clear that zero-waste goals cannot be achieved by consumers alone. Plastic is not a "zero waste" material, so in order to achieve zero waste, companies must stop making so much plastic.</p>
Marine debris collected at Papahānaumokuākea Marine National Monument. NOAA<p>We can achieve that. The first steps include banning some of the worst and most polluting single-use plastics, placing a pause on the development of new plastics facilities, and protecting state and local governments' ability to enact more stringent regulations.</p><p>We must also shift the paradigm by holding producers responsible for the waste they create. By requiring new plastic products to contain recycled plastic and making producers fund the collection and recycling of plastic products, producers would be incentivized to design longer lasting products that can <em>actually</em> be reused and recycled.</p><p>These goals — outlined in numerous scientific studies and advocacy reports — have some forward motion. In the United States, a federal bill was recently introduced in both the House and the Senate, the <a href="https://www.congress.gov/bill/116th-congress/house-bill/5845" target="_blank">Break Free From Plastic Pollution Act</a>. If passed this bill — or others like it on the local, state or national levels — could help move the world beyond single-use plastics and make that needed systemic change a reality.</p><p>The bill hasn't moved forward since it was introduced this past February, but the world is still on a deadline. A recent study published in the journal <a href="https://science.sciencemag.org/content/early/2020/07/22/science.aba9475" target="_blank"><em>Science</em></a> looked at rising levels of plastic production and said "coordinated global action is urgently needed to reduce plastic consumption, increase rates of reuse, waste collection and recycling, expand safe disposal systems and accelerate innovation in the plastic value chain."</p><p>Requiring producers to stop making nonrecyclable products designed to be thrown out is the first step toward achieving that goal. Only then will Kamikatsu and other towns, cities and countries around the world finally be able to eliminate plastic pollution and reach 100% zero waste.</p><p><em>The opinions expressed above are those of the authors and do not necessarily reflect those of </em>The Revelator<em>, the Center for Biological Diversity or their employees.</em></p><p><a href="https://therevelator.org/author/oliviasullivan/" target="_blank">Olivia Sullivan</a> <em><em>is a zero waste associate with the U.S. Public Interest Research Group (U.S. PIRG) working on a campaign to move the United States beyond plastic.</em></em></p><p><em><em><span></span>Reposted with permission from <a href="https://therevelator.org/cities-zero-waste/" target="_blank">The Revelator</a>. </em></em></p>
The shelter in place orders that brought clean skies to some of the world's most polluted cities and saw greenhouse gas emissions plummet were just a temporary relief that provided an illusory benefit to the long-term consequences of the climate crisis. According to new research, the COVID-19 lockdowns will have a "neglible" impact on global warming, as Newshub in New Zealand reported.
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By Joe Roman and Taylor Ricketts
The COVID-19 pandemic in the United States is the deepest and longest period of malaise in a dozen years. Our colleagues at the University of Vermont have concluded this by analyzing posts on Twitter. The Vermont Complex Systems Center studies 50 million tweets a day, scoring the "happiness" of people's words to monitor the national mood. That mood today is at its lowest point since 2008 when they started this project.
The Hedonometer measures happiness through analysis of key words on Twitter, which is now used by one in five Americans. This chart covers 18 months from early 2019 to July 2020, showing major dips in 2020. hedonometer.org<p>These same tweets also indicate a potential salve. Before pandemic lockdowns began, doctoral student <a href="https://scholar.google.com/citations?user=0P0ZYbIAAAAJ&hl=en" target="_blank">Aaron Schwartz</a> <a href="https://doi.org/10.1002/pan3.10045" target="_blank">compared tweets before, during, and after visits to 150 parks, playgrounds and plazas</a> in San Francisco. He found that park visits corresponded with a spike in happiness, followed by an afterglow lasting up to four hours.</p><p>Tweets from parks contained fewer negative words such as "no," "not" and "can't," and fewer first-person pronouns like "I" and "me." It seems that nature makes people more positive and less self-obsessed.</p><p>Parks keep people happy in times of global crisis, economic shutdown and public anger. Research has also shown that transmission rates for COVID-19 are <a href="https://www.sfchronicle.com/news/article/Is-risk-of-coronavirus-transmission-lower-15287602.php" target="_blank">much lower outdoors than inside</a>. As scholars who study <a href="https://scholar.google.com/citations?user=yFzb2EUAAAAJ&hl=en" target="_blank">conservation</a> and how nature <a href="https://scholar.google.com/citations?user=CCnUeN8AAAAJ&hl=en" target="_blank">contributes to human well-being</a>, we see opening up parks and creating new ones as a straightforward remedy for Americans' current blues.</p>
Park Visits Are Up During the Pandemic<p>According to the Hedonometer, sentiments expressed online started trending lower in mid-March as the impacts of the pandemic became clear. As lockdowns continued, they registered the lowest sentiment scores on record. Then in late May, effects from George Floyd's death in police custody and the following protests and police response once again could be seen on Twitter. May 31, 2020 was the saddest day of the project.</p><p>Recent surveys of park visitors around the University of Vermont have shown people <a href="https://osf.io/preprints/socarxiv/sd3h6" target="_blank">using green spaces more</a> since COVID-19 lockdowns began. Many people reported that parks were highly important to their well-being during the pandemic.</p>
<div id="4c7e4" class="rm-shortcode" data-rm-shortcode-id="bc0ac146ab2a94228f32d973fc2ab272"><blockquote class="twitter-tweet twitter-custom-tweet" data-twitter-tweet-id="1289428912879964160" data-partner="rebelmouse"><div style="margin:1em 0">#Goldengatepark #sf #quarantinemood https://t.co/9l3ufnbkt6</div> — Suvd (@Suvd)<a href="https://twitter.com/Suvd19486406/statuses/1289428912879964160">1596258783.0</a></blockquote></div><p>The powerful effects of nature are strongest in large parks with more trees, but smaller neighborhood parks also provide a significant boost. Their impact on happiness is real, measurable and lasting.</p><p>Twitter records show that parks increase happiness to a level similar to the bounce at Christmas, which typically is the happiest day of the year. Schwartz has since expanded his <a href="https://arxiv.org/pdf/2006.10658.pdf" target="_blank">Twitter study</a> to the 25 largest cities in the U.S. and found this bounce everywhere.</p><p>Parks and public spaces won't cure COVID-19 or stop police brutality, but they are far more than playgrounds. There is growing evidence that parks contribute to mental and physical health in a range of communities.</p><p>In a 2015 study, for example, Stanford researchers sent people out for one of two walks: through a local park or on a busy street. Those who walked in nature showed <a href="https://doi.org/10.1016/j.landurbplan.2015.02.005" target="_blank">improved moods and better memory performance</a> compared to the urban group. And a team led by <a href="https://penniur.upenn.edu/people/eugenia-gina-south" target="_blank">Gina South</a> of the University of Pennsylvania showed in a 2018 study that greening and cleaning up blighted vacant lots in Philadelphia <a href="http://dx.doi.org/10.1001/jamanetworkopen.2018.0298" target="_blank">reduced local residents' feelings of depression, worthlessness and poor mental health</a>.</p>
Creative Strategies<p>It isn't easy to create new parks on the scale of San Francisco's Golden Gate Park or the Washington Mall, but smaller projects can expand outdoor space. Options include greening vacant lots, closing streets and investing in existing parks to make them safer, greener and shadier and support wildlife.</p><p>These initiatives don't have to be capital-intensive. In the University of Pennsylvania study, for example, renovating a vacant lot by removing trash, planting grass and trees and installing a low fence cost only about US$1,600.</p><p>Urban green space is most needed in neighborhoods that have lacked funding for parks, especially given <a href="https://www.nytimes.com/2020/04/08/nyregion/coronavirus-race-deaths.html" target="_blank">COVID-19's disproportionate impact on Black and Latinx people</a>.</p><p>Cities can also create parklike spaces by <a href="https://theconversation.com/with-fewer-cars-on-us-streets-now-is-the-time-to-reinvent-roadways-and-how-we-use-them-140408" target="_blank">closing streets to cars</a>. Many cities worldwide are currently retooling their transportation systems for the post-COVID-19 world in order to <a href="https://thecityfix.com/blog/bicycles-slower-speeds-livable-city-paris-mayor-anne-hidalgo-plans-ambitious-second-term-dario-hidalgo/" target="_blank">reallocate public space</a>, widen sidewalks and make more space for nature.</p><p>Urban designers, artists, ecologists and other citizens can play a direct role, too, creating pop-up parks and green spaces. Some advocates <a href="https://www.bloomberg.com/news/articles/2017-09-15/a-brief-history-of-park-ing-day" target="_blank">transform parking spaces into mini-parks</a> with grass, potted trees and seating for just the time on the meter, to make a larger point about turning so much public space over to cars.</p><p>Or cities can invest a little more. Minneapolis, Cincinnati and Arlington, Virginia, have won <a href="https://www.tpl.org/parkscore" target="_blank">national recognition</a> for their ambitious investments in public park systems. These areas could serve as models for neighborhoods that lack access to parks.</p>
<div id="25fd0" class="rm-shortcode" data-rm-shortcode-id="383f0d2df0237e9359c30dcce6cd6c42"><blockquote class="twitter-tweet twitter-custom-tweet" data-twitter-tweet-id="1276558744835379201" data-partner="rebelmouse"><div style="margin:1em 0">Looking to safely get outside? Check out the best parks for social distancing in this year's top ten ParkScore citi… https://t.co/HJjEtDsrTD</div> — The Trust for Public Land (@The Trust for Public Land)<a href="https://twitter.com/tpl_org/statuses/1276558744835379201">1593190296.0</a></blockquote></div>
A New Park Deal?<p>The United States has historically driven economic recovery with major infrastructure investments, like the New Deal in the 1930s and the 2009 <a href="https://www.investopedia.com/terms/a/american-recovery-and-reinvestment-act.asp" target="_blank">American Reinvestment and Recovery Act</a>. Such investments could easily include nature-positive spaces.</p><p>Parks are not panaceas, as evidenced by the widely publicized <a href="https://www.nytimes.com/2020/07/06/nyregion/amy-cooper-false-report-charge.html" target="_blank">racist confrontation between a white woman and a Black birder</a> in New York's Central Park in early July. But Hedonometer data add to a <a href="https://advances.sciencemag.org/content/5/7/eaax0903?utm_source=miragenews&utm_medium=miragenews&utm_campaign=news" target="_blank">growing body of evidence</a> that they provide <a href="https://doi.org/10.1073/pnas.1807504116" target="_blank">clear mental health benefits</a>. Creating and expanding parks also <a href="https://www.nrpa.org/contentassets/f568e0ca499743a08148e3593c860fc5/economic-impact-study-summary.pdf" target="_blank">generates jobs and economic activity</a>, with much of the money spent locally.</p><p>We believe investments in nature are well worth it, offering both short-term solace in difficult times and long-term benefits to health, economies and communities.</p>
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New York State Attorney General Letitia James announced Thursday that she will attempt to dismantle the National Rifle Association (NRA), arguing that years of corruption and mismanagement warrant the dissolution of the activist organization, as CNN reported.
<div id="7eb49" class="rm-shortcode" data-rm-shortcode-id="83819841e380a7072ec66d3186c160e8"><blockquote class="twitter-tweet twitter-custom-tweet" data-twitter-tweet-id="1291705003984510977" data-partner="rebelmouse"><div style="margin:1em 0">🚨RESPONSE to #Mauritius #OILSpill 🚨 “Once again we see the risks in oil: aggravating the #ClimateCrisis, as well as… https://t.co/PBLioZat6X</div> — Greenpeace Africa (@Greenpeace Africa)<a href="https://twitter.com/Greenpeaceafric/statuses/1291705003984510977">1596801446.0</a></blockquote></div><p>"There is no guaranteed safe way to extract, transport and store fossil fuel products. This oil leak is not a twist of fate, but the choice of our twisted addiction to fossil fuels. We must react by accelerating our withdrawal from fossil fuels," Greenpeace Africa Senior Climate and Energy Campaign Manager Happy Khambule said in a <a href="https://www.greenpeace.org/africa/en/press/11864/greenpeace-africa-response-to-mauritius-oil-spill/?utm_campaign=oil&utm_source=t.co&utm_medium=post&utm_content=single-image&utm_term=mauritius-oil-spill-reactive" target="_blank">statement Friday</a>. "Once again we see the risks in oil: aggravating the <a href="https://www.ecowatch.com/tag/climate-crisis" target="_self">climate crisis</a>, as well as devastating oceans and <a href="https://www.ecowatch.com/tag/biodiversity" target="_self">biodiversity</a> and threatening local livelihoods around some of Africa's most precious lagoons."</p>
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By Gianna-Carina Grün
While the first countries are easing their lockdowns, others are reporting more and more new cases every day. Data for the global picture shows the pandemic is far from over. DW has the latest statistics.
What's the Current Global Trend?<p>The goal for all countries is to make it to the blue part of the chart and stay there. Countries and territories in this section reported zero new cases both this week (past seven days) and the week before.</p><p>Currently, that is the case for 14 out of 209 countries and territories. </p>
How Has the Covid-19 Trend Evolved Over the Past Weeks?<p>The situation has improved slightly: 87 countries report more cases this week than last week. </p>
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