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More than 20 years ago, climate scientists began to raise alarms over the possibility global temperatures were rising due to human activities, such as deforestation and the burning of fossil fuels.

Despite global alarm about the threat that fossil fuel combustion poses to Earth's climate, coal appears poised to recover its 19th-century prominence as the world's top energy source, delegates at the Globe 2008 conference heard on Wednesday.

Tony Blair is to lead a new international team to tackle the intractable problem of securing a global deal on climate change which would have the backing of China and America.

European Commission chief Jose Manuel Barroso vowed on Thursday to defend industry threatened by competition from countries with lower environmental standards if international climate change talks fail.

Brussels EU leaders clashed last night over how to cut greenhouse gases a year after making climate change their top priority with a series of tough targets.

Somebody, somewhere will have to pay for California's landmark law that would force dramatic cuts in greenhouse-gas emissions by 2020. Two years on, it's not much clearer who.

State lawmakers last week expressed frustration with a proposal by Gov. Arnold Schwarzenegger that would further defer that decision.

The chief executive of General Electric has emerged as one of the most outspoken advocates of government caps on carbon emissions. But it’s not that visions of saving the planet are filling his “Ecomagination,” nor has he given up on Hayek. In transforming one of the world’s biggest companies into a clean-tech juggernaut, he just smells the chance to make a lot of money—if the U.S. doesn’t miss the train altogether.

Despite next year’s projected $8 billion budget deficit, Gov. Arnold Schwarzenegger is so intent on implementing costly regulations and mandates to “fight global warming” that he now wants to borrow money to pay for the crusade. This is bad policy on at least two fronts.

Even Sacramento Democrats see the danger in resorting to another ill-conceived fiscal fix by borrowing $67 million over two years from the state’s beverage container recycling fund, which is supposed to repay consumers who recycle bottles and cans. The loan would be repaid with interest.

“What if consumers could reduce carbon emissions by simply choosing one product over another at their local store? With a carbon label – similar to a nutrition label for the environment – we could all be armed with enough information to make a difference, not through regulation or taxation, but through the power of consumer choice.”

I have introduced a bill that will provide Californians with the information necessary to voluntarily reduce global warming pollution through consumer purchasing power.

A new study has found that California wildfires emit more greenhouse gases than previously believed largely through the post-fire decay of dead wood, a finding that is raising questions about how effective the state's forests are at storing carbon and slowing global warming. "No matter what anybody does in California to reduce greenhouse gas emissions, as long as these forests are burning, they are wasting their time," Bonnicksen said.