150 countries pledge to curb carbon emissions

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http://www.theguardian.com/environment/2015/oct/13/150-countries-pledge-to-curb-carbon-emissions

Source: By Arthur Nelson, The Guardian. 
For Investigation:  10.3
Excerpt: Some 150 countries representing around 90% of the world’s carbon emissions have now filed pledges to curb them, dramatically increasing the chances of a deal at the Paris climate summit in December....

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