"The deaths of hundreds of elephants in Botswana this year which had baffled and alarmed conservationists were caused by toxins produced by cyanobacteria in water, officials said on Monday."

"The wildfires blazing in the West could hinder developing lungs, worsen asthma and even lead to the condition in those who don’t have it but are genetically disposed to it."

"SAN FRANCISCO — Ian MacDonald, a 14-year-old in Portland, Ore., got a treat from his parents the other day. He was allowed to go outside.

"The passing of Supreme Court Justice Ruth Bader Ginsburg could shake the foundation of America's bedrock environmental laws, leaving a chasm on the bench where once sat an environmental champion."

"EPA bowed to White House pressure during interagency review of an oil and gas emissions rule by reducing requirements for a segment of the natural gas supply chain to monitor and repair methane leaks."

"The vast majority of children dying from COVID-19 are Hispanic, Black or Native American, according to a new report from the Centers for Disease Control and Prevention."

"Ageing infrastructure, legacy pollution and emerging contaminants across the US are driving a growing urgency to do something about America’s water crisis".

"Covid has got experts thinking urgently about the risk of diseases passing from farmed animals to humans. We examine the major outbreaks of the past two centuries".

"For decades, farmers in California's Kern County have turned to wastewater from oil production to help irrigate their crops during extended dry spells."

"The splitting headaches began when smoke from wildfires rolled in around Tim Hunt’s suburban Seattle home. Next came a debilitating fatigue. As deadly wildfires rage across the U.S. West, Hunt and others are struggling with some of the world’s worst air pollution."

"The EPA’s new rule restraining how it creates guidance documents could backfire on businesses that want to trim the use of such informal documents, according to legal scholars and environmentalists."