So far, more than 1,000 wolves have been chased down by gunmen in low-flying aircraft and killed with high-powered rifles. This year alone, at least 232 wolves have been killed -- putting the 2008/2009 aerial wolf killing season on pace to become the dead

Floods, fires, droughts, disease, extinctions and a dying Great Barrier Reef may be a hint of things to come globally.

Obvious "sinks" for the greenhouse gas include the oceans and the enormous trees of tropical rainforests. But temperate forests also play a role...

For the Inupiat people of northern Alaska, whales are a way of life. These people eat the animals. They worship them. They organize their calendars around them. And on and on. It's been that way for thousands of years.

In a new study published April 13 in the Proceedings of the National Academy of Sciences (PNAS), scientists at UA found that water-deprived piñon pines raised in temperatures about 7 F (4 C) above current averages died 28% faster than pines raised in toda

Some European birds will have to fly further as global warming shifts their breeding grounds northwards in the biggest challenge to the tiny migrants since the Ice Age, scientists said

Junk Ride proponents Marcus Eriksen and Anna Cummins care so much about their planet that they're about to bike 2,000 miles to publicize ocean pollution.

Sea levels could rise by a "catastrophic" 10 feet by the end of the century - putting millions of people at risk of flooding with coastal cities such as London, New York, Tokyo and Calcutta submerged, according to a new study.

DOWNSIZING the Murray River to preserve what is left of its stricken lower reaches is a reality, forcing once-teeming wetlands and lagoons to be cut off from the the main river channel in South Australia

With Earth Day only a few days away, the U.S. Environmental Protection Agency (EPA) is kicking off the 2009 "Change the World, Start with Energy Star" campaign to educate kids and their families about how to save money and fight climate change through ene