The head of the United Nations climate change convention is leaving his post, a move that comes a few months after the Copenhagen summit.
The UN climate summit in Copenhagen in December aims to set new greenhouse gas emissions agreements between countries. It will be attended by all signatories of UN Framework Convention on Climate Change. Click through the Explainer, above, to learn more about the summit.
CNN's Emily Chang reports on a company that's using agricultural waste to produce energy.
President Obama will go to Copenhagen, Denmark, next month for a climate change summit, the White House said Wednesday.
The last 50 years have borne witness to a spate of climate-related disasters across the world causing over 800,000 fatalities and $1 trillion in economic losses.
The Japanese space agency launched a satellite Friday that will measure greenhouse gases from the earth's orbit.
One major issue in reducing global carbon emissions is how developing nations can lower both national poverty and carbon emission.
Human-induced climate change is thought to be one of the greatest challenges facing mankind in the 21st Century. A change in temperature of only a couple of degrees has the potential to adversely impact economies, communities and ecosystems throughout the world.
CNN's Suzanne Simons speaks with Carter Roberts of the World Wildlife Fund about the Earth Hour event.
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