A four-inch core sample is a chapter of ancient history in which a Neanderthal amoeba or a worm can thicken the plot for researchers.
Both leading Democrat and Republican candidates vie to show they can tackle global warming.
Bush's budget request Monday cut funding for renewable energy, but increased spending for science.
Citing high costs of FutureGen, the Energy Department funds less ambitious projects.
The $2 billion worldwide fund highlighted during Monday's State of the Union speech was called both a landmark proposal and an outdated approach.
At the meeting of the world's biggest polluters in Hawaii this week, host US has a chance to show it is serious about action on climate change.
The American Geophysical Union's warning reflects an increasingly vocal scientific community.
Governments must take a gimlet-eyed look. Nuclear's drawbacks haven't gone away.
Huge development around Moosehead Lake would create 500,000 tons of CO2 over 50 years, environmentalists say.
In a dramatic illustration of a broader regional crisis, a Turkish lake three times the size of Washington, D.C., has dried up in the past 15 years.
In the first of a four-part series, the Monitor examines the impact of man-made pressures on the region.
The Golden State filed suit on Wednesday for the right to limit greenhouse-gas emissions from autos.
Global warming is the nuclear issue of our age.
For the first time, all nations said they will consider ways to reduce global warming â€“ as Bush sought.
A techno-fix to quickly cool the planet needs research in light of new data that climate change is coming fast.
A promising strategy: Store carbon in the soil.
Forcing higher prices for fossil fuels would be simple, fair, and effective. Why do politicians fear to do it?
Farmers see signs that the climate-sensitive cold-loving berries are shifting their range into Canada. Blueberries, too. What's to be done?
The global-warming fight can't wait to work out the kinks in a cap-and-trade scheme.