Senior scientist says voices of poorer nations must be heard in the political tussle over reducing the ?utterly inadequate? global warming limit. The official target of limiting global warming to a 2?C rise has been described by a senior scientist as ?utterly inadequate? to protect the people most at risk from climate change. That?s the conclusion reached by one of the authors of the recent Intergovernmental Panel on Climate Change (IPCC) assessment report, in an analysis of the political tussle between rich and poor nations at last December?s UN conference on limiting temperature rise. Richer countries were happy to limit global average temperature rises to 2?C, while middle and low-income nations would have preferred to contain warming within 1.5? C or lower.

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