Conclusive proof that polar warming is being caused by humans

New research by the University of East Anglia (UEA) has demonstrated for the first time that human activity is responsible for significant warming in both polar regions.

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<p><a href="http://www.physorg.com/news144593037.html">Conclusive proof that polar warming is being caused by humans</a></p> <p>New research by the University of East Anglia (UEA) has demonstrated for the first time that human activity is responsible for significant warming in both polar regions.</p>