"The contamination of U.S. drinking water with man-made “forever chemicals” is far worse than previously estimated with some of the highest levels found in Miami, Philadelphia and New Orleans, said a report on Wednesday by an environmental watchdog group."

"Billionaire presidential candidates Michael Bloomberg and Tom Steyer are leaning into climate change as a campaign issue to stand out in a crowded Democratic field."

"The plastic shopping bag has long been hunted by state and local policymakers pushing for its extinction. But still it thrives, thanks to the deep-pocketed chemical industry that birthed it and the political influence of retailers and restaurants. Only eight states ban single-use plastic bags. Nearly twice as many have laws protecting them."

"Mayflies, which form swarms in the billions that are visible on weather radar, are in steep decline, mirroring the plight of insects worldwide."

"The Bureau of Land Management is preparing to overhaul grazing regulations, including how it addresses scofflaw ranchers on public lands."

"Gina McCarthy wrapped up week two as head of the Natural Resources Defense Council by laying out her goals to reporters for what will be a pivotal year in energy and environmental policy."

"When patients participate in health studies, their medical and genetic details are typically kept anonymous to protect them. A controversial Trump administration plan to limit the scientific studies used in policymaking could put that anonymity in jeopardy, a new study warns."