"Scientists in Brazil have come up with the first evidence that sharks are being exposed to cocaine."

"Republican-led states on Tuesday asked the Supreme Court to block the Biden administration’s effort to cut planet-warming emissions from the power sector."

"The organising committee of Paris 2024 has vowed to make it the greenest Games in Olympic history, with half the carbon footprint of London 2012 and Rio 2016."

"Spreading fracking wastewater on roads is banned. Oil and gas companies do it anyway."

"Coal remains the largest source of power globally despite its decline in the U.S."

"The vice president could double down on President Joe Biden’s focus on communities burdened by pollution if she is elected president."

"Reducing nitrous oxide emissions from U.S. chemical plants could reduce greenhouse gas emissions at little cost. Similar plants in China offer a “far bigger prize.”"

"A six-month investigation reveals that many carbon credit ventures reap profits from public lands they have no right to and fail to share revenue with those protecting the forest."

"People who don’t farm, but live in US agricultural communities where pesticides are used on farms, face an increased cancer risk as significant as if they were smokers, according to a new study."

"The sun looked orange as it shined through a thick blanket of wildfire smoke on Tuesday across a large area of North America, including in Denver, and the smoke could spread even farther in the coming days."

"The sun appeared orange and red through a layer of haze on Tuesday morning as a large blanket of wildfire smoke covered part of the central United States and Canada.