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."