Forested mountain peaks have been giving way to grassy planes in Appalachian coal country.

Tales of the black band: Clues to a 4,200-year-old mystery lie frozen in icy records stored atop Mt. Kilimanjaro.

Even jet-lagged, the world's lead climate negotiator took time out to brief a few reporters.

This dusty library saves the geo-curious a trip to Antarctica.

Featured blog: As glaciers continue to dry up, so does any hope of gleaning information from them about the past climate record.

Featured blog: In the last debate, McCain denounced proposed federal spending on a multimillion dollar "overhead projector."

The feds articulate how much exercise we should consider as healthy.

Featured blog: An October 7 accord could put U.S. Arctic waters off-limits to fishing.

Smokers: Red wine may be the prescription for you.

New nanomaterials may offer a solution to mopping up a toxic pollutant associated with fluorescent lighting.

Toxic mercury will be released whenever a fluorescent lamp breaks.

Featured blog: Switching to light bulbs that contain mercury might, surprisingly, reduce overall mercury releases to the environment. Plus, what to do when you break your fluorescent bulb.