Two degree temperature target scientifically meaningless: US climate analysts

Two degree temperature target scientifically meaningless: US climate analysts

The world's target of limiting global warming to 2°C is looking insufficient now as the consensus around the target, which was agreed at climate talks in Copenhagen in 2009, seems to be coming unstuck.

US climate analysts David Victor and Charles Kennel, in October, called the target scientifically meaningless and politically unachievable. They said that they should get used to the idea of something warmer.

Petra Tschakert from Penn State University in University Park, who is a part of UN review of the target, said that the target is 'utterly inadequate', and wants it to be instead 1.5 °C.

While writing in the journal Climate Change Responses, Tschakert said that this lower limit is must if they want the sea levels to rise less than a meter, for the protection of half of all coral reefs, and to still have some ice during Arctic summers.

Besides Tschakert said there were many others who were in the favor of a revised 1.5°C target at an expert meeting during the climate conference in Lima, Peru, last December, as part of the UN's target review.

The review will be published in June and could be taken up at the Paris climate negotiations in December, where new emissions limits for after 2020 will be agreed.

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