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Devil In The Details: Is Copenhagens 2 ºC Guardrail Obsolete?

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Global 2ºC maximal warming limit as compared to past and. IPCC reference emissions scenarios, 2000—2100. But no climate model projects a uniform warming of the Earth; a mean global warming of two degrees is likely to result, for example, in localized warming as low as 0.5 by Jack Rosebro. Inset box represents. Source: WGBU.

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Devil in the Details: World Leaders Scramble To Salvage and Shape Copenhagens UNFCCC Climate Summit

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ºF) above pre-industrial levels to avoid the most catastrophic effects of climate change, and that global GHG emissions would have to peak around 2020 and then sharply decline by 50% to 85% by the year 2050. AR4 also affirmed that warming would have to be held to no more than 2 ºC to 2.4 ºF) increase. Earlier post.)

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