"In a first-of-its-kind ruling, a federal district court said teeth-strengthening chemicals added to drinking water pose an “unreasonable risk,” a designation prompting EPA regulations under the nation’s premier toxics law."

"The National Hurricane Center predicts Helene will make landfall in northern Florida as a Category 4 hurricane with a “deadly” storm surge up to 20 feet."

"In a quiet patch of forest in Nova Scotia, a company is building a machine designed to help slow global warming by transforming Earth’s rivers and oceans into giant sponges that absorb carbon dioxide from the air."

"Factory farms in Iowa produce 109 billion pounds of waste each year, according to a new report from Food and Water Watch about concentrated livestock operations in the U.S."

"A lawsuit filed by Mississippi Gulf Coast local governments, representatives of its tourism industry and Mississippi fishers against the Army Corps of Engineers to protect bottlenose dolphins from death or injury caused by openings of the Bonnet Carre Spillway has been thrown out by a federal judge in Gulfport."

"Pope Francis on Sunday condemned the slaying of an environmental activist in Honduras, adding to a growing number of international voices that have raised concern over the killing."

"Potential Tropical Cyclone 9 could become a landfalling major hurricane for the Florida Gulf Coast on Thursday."

"Many dams in the Midwest do not meet grant eligibility requirements, leaving safety officials and residents worried about how they’ll prevent future collapses as flood risks increase."

"MINNEAPOLIS—A record amount of federal aid will soon flow to states to help fix, replace or demolish their aging dams, many of which are under increasing pressure as climate change fuels more frequent and severe extreme weather events.

"Damage to the natural world isn’t factored into the price of food. But some governments are experimenting with a new way of exposing the larger costs of what we eat."

"A new study suggests osprey chicks are starving in parts of the Chesapeake Bay because of a lack of menhaden, a primary source of food but also a major industry."