"The Fish and Wildlife Service could be thinking twice about how it removed Endangered Species Act protections from Yellowstone-area grizzly bears, thanks to a critical court ruling on wolves."

"Blue whales, grays and humpbacks are traveling south along the California coast this month to their annual breeding grounds in warm Mexican waters. They feed in the same waters where cargo ships travel to some of the world’s busiest ports — and one strike could be deadly."

"Lawmakers are the closest they’ve been in decades to letting oil and natural gas companies drill in northeast Alaska’s Arctic National Wildlife Refuge (ANWR)."

"The Trump administration on Wednesday unveiled a recovery plan for the endangered Mexican wolf, but environmentalists immediately assailed the program as so deficient it would lead to the demise of one of North America’s most imperiled mammals."

"Senate Republicans may have hit a procedural snag in their bid to open Alaska’s Arctic National Wildlife Refuge to oil drilling. An arcane budget rule may hinder GOP efforts to include drilling in the tax overhaul legislation."

"The National Mall will soon have something new: rats on birth control."

"After decades of recovery, right whales are now under threat from industrial fishing".

"Federal officials might be grounded from pursuing companies whose operations incidentally kill migratory birds, under a two-pronged maneuver now advancing publicly on Capitol Hill and quietly inside the Interior Department."

"President Trump's abrupt U-turn on elephant trophy imports could undermine his own appointees, break standard practice and all but invite a legal challenge from his customary allies."

"Medical experimentation on chimpanzees has ended, but moving all of them into retirement will be a difficult task."