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Walruses in the Arctic depend on sea ice as a base for hunting and transportation. The native Yupik and Inupiat people have depended on the walrus for meat, clothing, and tools. Now the climate-driven shrinking of sea ice is threatening both walruses and humans.

"The virus commonly called swine flu has 'run its course,' World Health Organization Director-General said today. But while the pandemic danger is over the swine flu, or H1N1, has not gone away, it has just become more like seasonal influenzas."

After wolves killed dogs in Wisconsin, the state DNR is calling for transfer of jurisdiction over the federally protected endangered species to the state.

Scientists are now studying the effects of Prozac in water on shrimp. After being secreted by humans, drugs like Prozac find their way through sewage systems and into waterways. Their effects on shrimp could be fatal.

"It has been the summer of polling discontent, or at least the dog days of disagreement on climate change."

"Drilling the final feet of a relief well intended to permanently plug the busted BP oil well deep below the Gulf of Mexico will have to wait two to three days as a strengthening tropical depression bears down on the site."

The death of Ted Stevens, the longest-serving Republican senator, marks the loss of a great influence over environmental and energy policy for the better part of a half century. Stevens devoted much of his time in the U.S. Senate from 1977 to 2009 to opening the Arctic National Wildlife Refuge (ANWAR) for petroleum development.

EPA officials in New York had to postpone a planned hearing on the impact of the natural gas drilling method known as hydraulic fracturing. The reason: the large number of passionate people planning to attend or demonstrate.

"Russian emergency workers have increased forest patrols in a western region previously contaminated by the 1986 Chernobyl nuclear disaster, trying to prevent wildfires from spreading harmful radiation, officials said Wednesday."