"For the second time in less than a month, the Obama administration on Friday took an action that all but shuts the door on drilling in the Atlantic Ocean, denying six permits to companies seeking to use seismic cannons to search for oil under the ocean floor."

"A Canadian company that wants to bury waste from nuclear power plants near Lake Huron said Tuesday a study of alternative sites had found none better than a location already targeted, which has drawn strong opposition on both sides of the border."

"Louisiana is losing its coast at a rapid rate because of rising sea levels, development and sinking marshland. Officials are trying to rebuild those marshes and the wetlands, but much of the coast can't be saved."

"A federal plan for the recovery of an endangered Alaska beluga whale calls for a reduction in threats of high concern while scientists try to pinpoint what has kept the population from growing."

"Droughts are already getting longer and more severe because of human-caused climate change in the American Southwest and around the world. But the drought-climate connection goes both ways: California's prolonged dry spell has also made climate change a little bit worse."

"U.S. Navy-trained dolphins and their handlers will participate in a last-ditch effort to catch, enclose and protect the last few dozen of Mexico's critically endangered vaquita porpoises to save them from extinction."

"Wildlife advocates plan to challenge the approval of a new Yellowstone River dam aimed at benefiting Montana and North Dakota farmers that critics say could kill off a dwindling population of a fish species dating to the time of dinosaurs."

"A little-known federal program that avoids publicizing its accomplishments to protect from looters the thousands of Native American sites it's tasked with managing has been caught up in a big net."