Must-read recap: The New Lede's top stories

Global experts conclude a PFAS chemical causes cancer; push to turn manure into renewable energy draws concerns; pesticides still plague bee health; why 'Erin Brockovich' chemical remains unregulated.

Chemical found widely in the environment causes cancer, global experts determine

A group of global scientific cancer experts this week classified a widespread chemical known as PFOA as carcinogenic to humans, confirming decades of research, and building on concerns about human and animal exposure to that chemical and to the larger class of manmade substances that are commonly known as “forever” chemicals because of their persistence in the environment. Separately, the experts deemed a related chemical called PFOS as possibly carcinogenic to humans.

The classifications, published Thursday in The Lancet Oncology, were determined by a working group of 30 experts from around the world through the International Agency for Research on Cancer (IARC), an arm of the World Health Organization (WHO). The experts convened in Lyon, France Nov. 7-14 to review published literature on the health risks of perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS). Both are types of per-and poly fluoroalkyl substances (PFAS).

“This latest action highlights and reaffirms the concerns we have been raising for decades that these man-made ‘forever chemicals’ present a serious threat to human health, mandating that appropriate steps be taken to prevent and address exposures,” said Rob Bilott, an environmental lawyer for the Ohio-based firm Taft Law who has spent over two decades exposing the dangers of PFAS chemicals. (Read the rest of the story.)

US push to turn farm manure into renewable energy draws concerns

AMES, IOWA – In a gathering that drew the attendance of both farmers and Wall Street financiers, US regulators joined with oil giant Chevron at a November conference here to promote what backers promise will be a monumental breakthrough – systemic changes that would turn polluting agricultural waste into a source of renewable energy that replaces fossil fuels and slows climate change.

Speakers at the conference, which was hosted by Iowa State University and co-sponsored by the Environmental Protection Agency (EPA) and the US Department of Agriculture (USDA), assured attendees that the answers to agricultural and climate woes can be found in technology that already exists: Key, according to conference promoters, is the rapid expansion of large methane biodigesters, which capture manure waste from the nation’s cattle, hog and poultry operations and convert it into a harvest of both public and private riches.

Water and air would be cleaner and farmers could see billions of dollars in new farm income, among other benefits, according to backers.

“It can provide a substantial portion of global energy needs,” Rudi Roeslein , CEO of Roeslein Alternative Energy, told the attendees. His company has built farm-based methane systems around the country that produce enough fuel to displace six million gallons of diesel fuel and 80,000 cars. “If we do this on a large scale in the US we could generate $63.6 billion worth of revenue for farmers around the country.” (Read the rest of the story.)

Pesticides continue to plague bee health, study warns

Pesticides sprayed on farmland continue to harm bumblebees in Europe, underscoring a need for more protective regulatory oversight, according to a new study that revealed how bees respond to real-world pesticide exposure at 106 sites across eight countries.

The analysis, part of a project called PoshBee that aims to monitor and improve bee health across Europe, went beyond standard field experiments that measure how bees respond to a single substance in a test environment. Instead, the researchers studied bumblebees in actual farm landscapes – apple and rapeseed fields – treated with multiples pesticides. Bumblebee colonies with greater toxicity from pesticides in their pollen had fewer total cocoons, weighed less altogether, and had fewer new queens, according to the study, which was published Wednesday in the journal Nature.

Insecticides, including neonicotinoids, pyrethroids, and organophosphates, posed a greater risk to the bees than other types of pesticides.

“This is a very important study,” said Margaret Reeves, a senior scientist at the Pesticide Action Network (PAN) North America who was not involved in the study. “Pesticides are almost never used in isolation [and] can drift long distances, with those used in close proximity to one another especially likely to interact. Much of this we simply don’t understand because various kinds of mixtures are seldom studied.”

“If pesticides in agricultural fields pose the problems described to bees, just imagine what these pesticides are doing to the millions of field workers in those same fields,” she added. (Read the rest of the story.)

Postcard from California: Why the ‘Erin Brockovich’ chemical remains unregulated

(Opinion columns published in The New Lede represent the views of the individual(s) authoring the columns and not necessarily the perspectives of TNL editors.)

n 2001, California lawmakers passed a law requiring the state to set a legal limit for a cancer-causing chemical found in the tap water of more than 9 in 10 Californians called chromium-6. The legislation was spurred by the film “Erin Brockovich,” based on the true story of a small town’s David-and-Goliath battle against the state’s largest utility over contamination of its water supply.

The law ordered establishment of a health-protective standard for chromium-6 in drinking water by 2004. But nearly 20 years after that deadline, the process is still unfinished.

What’s worse, the weak standard recently proposed by the State Water Resources Control Board would leave millions of Californians at increased risk of cancer. And more than a decade after a US Environmental Protection Agency (EPA) toxicological review concluded that chromium-6 in drinking water is a likely human carcinogen – a finding reaffirmed last year – there is still no federal standard to protect Americans nationwide.

The tortuous story of California’s long delay and the EPA’s inaction on chromium-6 shows how hard it is to regulate hazardous industrial chemicals in the US. It takes far too long, and a big reason is that polluting industries can stall the process with shady tactics. (Read the rest of the opinion column.)