"Two bills in Congress would prohibit the Environmental Protection Agency from using hundreds of chemical assessments completed by its IRIS program in environmental regulations or enforcement."

"The number of butterflies in the contiguous United States declined by 22 percent this century, a collapse with potentially dire implications."

"Butterflies are rapidly fluttering out of existence from coast to coast, according to a new assessment published Thursday, at a rate that scientists worry could upend ecosystems and undercut pollination that sustains America’s crops.

"The Trump administration has moved to rewrite rules designed to prevent disasters at thousands of chemical facilities across the country."

"Regulation of toxic substances has long exempted synthetic chemicals made of large molecules believed too big to escape products to cause harm. A new study shows how dangerous that assumption is."

"Buffeted by PFAS-emitting industries, Fayetteville could soon be home to a financially troubled company that wants to turn tons of plastic waste into diesel fuel using a polluting, energy-intensive process called pyrolysis."

"The United Nations Environment Programme on Monday said a new round of negotiations toward a global plastics treaty will take place from August 5 to 14 in Geneva, Switzerland, after countries failed to agree on the parameters of a final agreement last December in Busan, South Korea."

"A new study adds to evidence that farmers in the US corn belt have over-planted a type of genetically modified (GM) corn, leading to estimated losses of more than $1 billion as the pests the corn was designed to repel have grown resistant over time."

"More than half of the senior executives at a key US government regulatory body responsible for overseeing safety of the US pipeline system will depart the agency in the next three months, according to a memo seen by Bloomberg."

"The Trump administration has withdrawn a slate of proposed carbon dioxide safety regulations inspired by a pipeline failure that sent nearly 50 people to the hospital with “zombie”-like symptoms, and the new regulator overseeing these matters previously worked as a lobbyist for the pipeline industry."