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We Want People to think about the number behind the news We Look At major issues and news stories from a quantitative and scientific perspective We Help Journalists think quantitatively through education, workshops and direct assistance with data analysis

Concern for climate change has declined in the past two years with many countries recording a double digit fall, according to new research released today by The Nielsen Company and the Oxford University Institute of Climate Change. The Nielsen Company. Nielsen/Oxford University research shows that concern and awareness for climate change and the environment peaked in 2007 at the time of the Live Earth concerts and the launch of Al Gore's acclaimed documentary 'An Inconvenient Truth'.

new conversations about the planet

Groups gear up to issue an emergency alert that carbon dioxide in the global atmosphere has already passed a tipping point. Writing From Sydney -- All around the world, national governments are trying to hammer out their global warming policies, preparing for the United Nations' climate-change conclave in Copenhagen at the end of the year. And in too many places, the effort seems to be going nowhere.

The Obama administration is expected to announce guidelines Tuesday that will toughen existing federal mileage standards. Automakers have signed off on the plan, sources say.