Dr Rajendra Pachauri
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IPCC Report: 'Humans are causing climate change'

A major report by the United Nations' panel on climate change says scientists are now 95% certain that recent global warming is caused by humans.

Researchers also said levels of carbon dioxide and other greenhouse gases in the atmosphere had reached levels that were "unprecedented".

Dr Rajendra Pachauri, the IPCC chair, spoke to the BBC's Rebecca Morelle and told her there was an upward trend in global temperatures, "no question".

  • 27 Sep 2013
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