National (U.S.)

"Rescuers of wild mustangs, checkbooks in hand, duel with the government and ‘kill buyers’ who seek horses for slaughterhouses."

"Ever heard of the World Food Prize? It's sometimes called the "Nobel Prize for food and agriculture," but it has struggled to get people's attention. Prize winners tend to be agricultural insiders, and many are scientists. Last year's laureate, for instance, was Daniel Hillel, a pioneer of water-saving 'micro-irrigation.'"

"President Obama is preparing regulations limiting carbon dioxide emissions from existing power plants, senior officials said Wednesday. The move would be the most consequential climate policy step he could take and one likely to provoke legal challenges from Republicans and some industries."

"AMES, Iowa -- As the car pulled into the parking lot of a Starbucks, William Sanford Nye unknotted his trademark bow tie and slipped it off."

"The Senate Natural Resources Committee has approved a one-year extension of the Secure Rural Schools Act."

"NEW ORLEANS -- Scientists in Michigan and Louisiana are predicting a big summer 'dead zone' in the Gulf of Mexico unless a tropical storm hits the area shortly before or during the annual measurement. In the Chesapeake Bay, scientists expect a smaller-than-average area where there's too little oxygen to support fish, shellfish and other aquatic life."

"Women who live in areas with polluted air are up to twice as likely to have an autistic child than those living in communities with cleaner air, according to a new study."

"The White House on Monday threatened to veto the farm bill coming to the House this week."

"An official with the Army Corps of Engineers told a Congressional committee Tuesday it doesn't plan a broad environmental study on exporting coal from the western United States."

"As the Environmental Protection Agency seeks public comment on how to gauge the environmental impact of a proposed gold and copper mine in the Bristol Bay watershed, hundreds of thousands of Americans have weighed in on one side or another."