"By learning the secrets of 2,000-year-old cement, researchers are trying to devise greener, more durable modern options."

"In mid-September, Val Smith, chief sustainability officer at Citigroup, one of the United States’ Big Four of banking, met with four religious environmental activists to discuss the company’s record on fossil fuel investment."

"One of the largest solar projects in the U.S. opened in Texas on Friday, backed by what Google said is the largest solar electricity purchase it has ever made."

"The Supreme Court will take up a series of cases to determine which federal courts can take on cases related to certain Environmental Protection Agency (EPA) actions, it said Monday."

"The mortality rate among H5N1 infected dairy cows has been much higher than anticipated. Since early August, outbreaks have been reported in 124 California dairy herds. According to the U.S. Centers for Disease Control and Prevention, the current public health risk is low."

"Federal and state researchers said there might be five million to 19 million tons of lithium, more than enough to meet the world’s demand for the battery ingredient." "Researchers at the United States Geological Survey and the Arkansas government announced on Monday that they had found a trove of lithium, a critical raw material for electric vehicle batteries, in an underground brine reservoir in Arkansas."

"Distributed solar and batteries are helping North Carolina communities that were cut off from grid power by flooding. Should utilities build them into resilience plans?"

"A multimillion-dollar bank stabilization project proposed by the U.S. Army Corps of Engineers could protect one of the densest collections of ceremonial and burial mounds still existing in North America."

"Entanglements are a leading cause of death for endangered North Atlantic right whales. Removing fishing lines from the ocean could help minimize this risk—but only if lobstermen get on board, experts say."