The global economy is losing more money from the disappearance of forests than through the current banking crisis, according to an EU-commissioned study. It puts the annual cost of forest loss at between $2 trillion and $5 trillion.

Ah, climate change. We're all familiar by now with the culprits behind global warming (ok, maybe not certain candidates running for office) and the phenomena's handiwork: surging seas, dwindling populations of certain fish and fowl, more volatile weather

Two months ago, I spent a few days in the high country of Yosemite with U.C. Berkeley emeritus professor of zoology Jim Patton, trapping and studying one of the first-known living casualties of climate change in California, the alpine chipmunk (left).

If you appreciate opportunities for quiet recreation, you'll want to protect the, Rogue River-Siskiyou National Forest. The Forest Service is currently deciding how much of the forest should be exposed to the roar of dirt bikes, ATVs, and other off-road

For a long time -- the first 15 years that we knew about global warming and did nothing -- there were no pictures. That was one of the reasons for inaction.

The International Union for the Conservation of Nature, based in Switzerland, has just reported that the earth faces the total extinction of one in every four mammals, and that the population is rapidly declining in one out of every two species.

Did you know that an estimated 100 million trees are chopped down every year to make the junk mail you and I toss into the circular file? And all the energy used to create and dispose of all the mail is equal to 2.8 million cars? Yikes!

Cigarettes don't cause cancer, Saddam had nuclear weapons, and global warming is good for your health. Can you guess which one of those lies did not come from the White House?

"We've known for a while that having a lot of sediment in the water is bad for corals and can smother them," said David Bellwood, professor at the ARC Centre of Excellence for Coral Reef Studies (CoECRS) and James Cook University.

Even as Sarah Palin "keeps pushing" Republican presidential nominee Sen. John McCain on drilling in the Arctic National Wildlife Refuge (ANWR), environmentalists have formed a 527 group to fight the Alaska governor and her oil-and-gas industry allies