"The Fish and Wildlife Service has determined that the Pacific walrus, greatly recovered from decades of slaughter but facing stress in the warming Arctic climate, merits protection under the Endangered Species Act. But the species, like others that face rising pressure but are not in imminent danger, will for now remain in the regulatory equivalent of an overcrowded hospital triage department."

"U.S. agricultural regulators on Friday said despite a court ban, they would allow commercial planting of genetically modified sugar beets under closely controlled conditions while they complete a full environmental impact statement."

"Conservation groups served notice on Friday that they would file suit accusing the federal government of failing to protect leatherback sea turtles along the U.S. West Coast as required under the Endangered Species Act."

"The St. Petersburg waterworks is putting six giant gastropods to work monitoring emissions from a sewage incinerator. The African snails, the size of some rats, are attached to sensors that will show them getting sick if they take in too much bad air."

"Searching for food, one female bear was tracked as she swam for 9 days across the Beaufort Sea before reaching an ice floe. Litigation continues over protection of bear habitat."

"The United States said on Thursday farmers could proceed with planting genetically altered alfalfa without any of the restrictions that opponents say are crucial to protect organic and conventional farm fields from contamination."

"Many of the world’s top shark-fishing nations have yet to develop plans to manage and conserve dwindling shark populations, despite a 2001 pledge to do so, a new report from two conservation groups says."

"Environmental conservation groups sued the U.S. Environmental Protection Agency on Thursday to force it to tighten regulation of pesticide use, arguing that the agency was not consulting wildlife officials."

"A new species of giant crayfish literally crawled out from under a rock in Tennessee, proving that large new species of animals can be found in highly populated and well-explored places, researchers said on Wednesday."