"Polar bears' territorial tendencies and the diminishing ice season on Hudson Bay are conspiring to leave the animals less time to eat, researchers say. This bodes ill for their ability to reproduce, and survive."

"Even as a Red Tide algae bloom is wiping out a record number of manatees in southwest Florida, a mysterious ailment is killing dozens more manatees on the state's east coast. So far, state biologists have been unable to pinpoint the cause."

"Missouri Republican Sen. Roy Blunt said on Monday that he is placing a hold on Gina McCarthy, President Obama’s pick to run the Environmental Protection Agency, which could delay a full Senate vote on the nominee."

"The American Bird Conservancy is calling for a ban on using one of the globe's most widely used classes of insecticides in seed treatments and for a suspension of all other uses, pending an independent review of its impact on birds and other wildlife."

"Sick and malnourished sea lion pups are stranding themselves on Southern California beaches in some of the largest numbers seen in over a decade, perplexing scientists and leading one care facility to declare itself near capacity."

Rescuers are struggling to save manatees in Florida, there a Red Tide algal bloom has killed 181 of the mammals so far this year.

"PARIS -- Will Brussels try to give bees a break? In a case closely watched on both sides of the Atlantic, European officials plan to vote Friday on a proposal to sharply restrict the use of pesticides that had been implicated in the decline of global bee populations."

"MEXICO CITY -- The number of Monarch butterflies making it to their winter refuge in Mexico dropped 59 percent this year, falling to the lowest level since comparable record-keeping began 20 years ago, scientists reported Wednesday."

The white-nose syndrome fungus that is killing bats in their caves has now spread to 22 U.S. states and 5 Canadian provinces.

"SAN DIEGO — The California Coastal Commission on Friday rejected a Navy explosives and sonar training program off the Southern California coast that critics said could harm endangered blue whales and other sea life."