Another metric on energy efficiency

It's hardly a surprise that making energy efficiency improvements to buildings saves money and can benefit the environment in terms of reduced fossil fuel burning and reduced greenhouse gas emissions.

UN climate talks on edge heading into final hours

(AP) -- The United States, China and India could scuttle attempts to save the only treaty governing global warming, Europe's top negotiator said Friday hours before a 194-nation U.N. climate conference was to close.

Back-room negotiations begin on climate intentions

(AP) -- Back-room negotiations began in earnest Monday on a deal to rescue the only treaty governing greenhouse gas reductions and to launch talks on a broader agreement to include the world's largest polluters: China and ...

Half of greenhouse gases 'emitted by five nations'

More than half of all carbon pollution released into the atmosphere comes from five countries, according to a national ranking of greenhouse gas emissions released Thursday.

China rules out 2015 climate deal deadline

A European drive to forge a legally-binding deal on climate change by 2015 that would include all major carbon polluters is "too much", a senior Chinese negotiator said at UN talks here.

EU agency: air pollution costs exceed $134 billion

(AP) -- Air pollution isn't just harmful - it's expensive, resulting in health care and environmental costs of more than euro100 billion ($130 billion) in 2009, the European Union's environment agency said Thursday.

China to call for Kyoto extension at climate talks

China, the world's top greenhouse gas emitter, said Tuesday it will push at next week's climate talks for an extension of the Kyoto Protocol, which requires rich nations to reduce their emissions.

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