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Global warming’s biggest offenders

When it comes to global warming, there are seven big contributors: the United States, China, Russia, Brazil, India, Germany and the United Kingdom. A new study published in Environmental Research Letters reveals that these countries were collectively responsible for more than 60 percent of pre-2005 global warming.

Fuente : http://www.eurekalert.org/pub_releases/2014-01/cu-…

RedacciónT21

RedacciónT21

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