"Arizona’s new heat officer said Friday that he is working with local governments and nonprofit groups to open more cooling centers and ensure homes have working air conditioners this summer in a more unified effort to prevent another ghastly toll of heat-related deaths, which topped 900 statewide last year."

"House Republicans and Democrats have released two dueling visions for the farm bill, the massive $1.5 trillion omnibus that underpins the U.S. food system."

"The ban on acephate comes a week after a ProPublica investigation highlighted the EPA’s controversial finding that the bug killer doesn’t harm the developing brains of children."

"More than 1,000 sea lions have gathered at San Francisco’s Pier 39 this spring, the largest herd in at least 15 years. Mounds of floppy, delightfully ungraceful marine mammals have plopped themselves on to rafts along the city’s pier, displaying themselves to the thousands of tourists who pass by the area each day."

"Environmentalists warn that a California Democrat’s bill “drives a bulldozer” through the state’s new law that protects imperiled Joshua trees from commercial development. But the lawmaker says his impoverished desert region desperately needs the economic boost."

"An orangutan appeared to treat a wound with medicine from a tropical plant— the latest example of how some animals attempt to soothe their own ills with remedies found in the wild, scientists reported Thursday."

"There was something wrong with the chimpanzees. For weeks, a community of 205 animals in Uganda’s Kibale national park had been coughing, sneezing and looking generally miserable. But no one could say for sure what ailed them, even as the animals began to die."

"Energy companies operating in countries such as the US, UK, Germany and Norway appear to have installed technology that could stop researchers from identifying methane, carbon dioxide emissions and pollutants at industrial facilities involved in the disposal of unprofitable natural gas, known in the industry as flaring."

"Tyson Foods dumped millions of pounds of toxic pollutants directly into American rivers and lakes over the last five years, threatening critical ecosystems, endangering wildlife and human health, a new investigation reveals."

"Giant pumps hum inside a warehouse-like building, pushing water from the Sacramento-San Joaquin River Delta into the California Aqueduct, where it travels more than 400 miles south to the taps of over half the state’s population."