Latest James Hansen Stories
Climate scientists say mankind is on the path for soaring temperatures that will melt polar ice sheets, raise seas to dangerous levels, and trigger mass extinctions. But they say the most catastrophic of consequences can and will be avoided.
NASA and Columbia University Earth Institute research finds that human-made greenhouse gases have brought the Earthâ€™s climate close to critical tipping points, with potentially dangerous consequences for the planet.
Meeting in New York this month, dozens of big-city mayors from six continents competed to present the most ambitious plan for reducing emissions of carbon dioxide and other gases that cause global warming.
One of the world's top scientists on global warming called for the United States to stop building coal-fired power plants and eventually bulldoze older generators that don't capture and bury greenhouse gases.
Climatologists at the NASA Goddard Institute for Space Studies (GISS) in New York City have found that 2006 was the fifth warmest year in the past century.
Pinpointing pollutant sources is an important part of the ongoing battle to improve air quality and to understand its impact on climate.
The effects of global warming are being felt around the world and unless international efforts are launched within the next 10 years species will disappear and the earth will be a vastly less habitable planet by the end of the century, according to NASA scientist James E. Hansen.
Two federal agencies are investigating whether the Bush administration tried to block government scientists from speaking freely about global warming and censor their research, a senator said Wednesday.
The planet's temperature has climbed to levels not seen in thousands of years, warming that has begun to affect plants and animals, researchers report in Tuesday's issue of Proceedings of the National Academy of Sciences.
Coal-burning utilities are passing the hat for one of the few remaining scientists skeptical of the global warming harm caused by industries that burn fossil fuels.
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
More Images (1 images) »