Poll: Majority of World Population Concerned About Global Warming

As world leaders get ready for a climate change conference in Paris, a new global survey says the majority of the Earth's population has some concern about a warming planet — more in developing nations than in richer countries. The survey by the U.S.-based Pew Research Center was carried out in 40 countries. Fifty-four percent said global warming was a "very serious problem," especially those in sub-Saharan Africa and Latin America. But in the United States and China, the...

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