Its new emissions plan aims to cut each Californian's carbon 'footprint' from 14 tons to 10 tons a year by 2020.
Twenty-eight green groups compile 359 pages of suggestions, hoping for a green revival post-Bush.
Talks start Monday in Poland for a post-Kyoto climate treaty.
Experts fear the credit crunch will discourage governments worldwide from turning to taxpayers for assistance in climate-change efforts.
Unique ‘fingerprints’ of coal beds will help scientists track airborne toxin – and agree on controls.
Italian Prime Minister Silvio Berlusconi (r.) and his foreign minister, Franco Frattini, spoke to the media Wednesday at an EU environmental conference in Brussels.
First, find out how big it is by using a free online calculator.
Woodlands in developed world also absorb CO2. What will impact be on global climate talks?
East Coast power plants will bid on CO2 permits Sept. 25.
But business groups are still concerned about the costs of the landmark emission caps.
The US Northeast will obtain oil, gas, and nuclear energy from projects costing $16 billion. But locals fear new initiatives will lead to pollution and negative health effects.
Global warming may have accelerated the irreversible loss of ice shelves that are thousands of years old, say scientists.
Melting glaciers, drier wetlands, warmer winters in Alaska, where global warming is felt most keenly.
US and state officials start to boost firefighting budgets and weigh other reforms.
Researchers track China’s plume of pollution. What effect did Olympic hiatus have?
Expecting a more aggressive approach, they offer advice to the McCain and Obama campaigns.
The Western Climate Initiative aims to cut the region’s greenhouse-gas emissions by 2020
As CO2 mitigation efforts lag, some explore sun-blocking, cloud-forming technologies, and more.
With Bush urging new oil exploration in coastal waters, top lawmakers respond with calls to tap the Strategic Petroleum Reserve.
Its support for halving emissions by 2050 is seen as useful for future negotiations.