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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. The 2 ºC maximal warming limit was cited at the UN Conference on the Human Environment in Stockholm in 1972, and revisited several decades later, in 1995, by the Wissenschaftlicher Beirat Globale Unweltveränderungen (WGBU), Germany’s national advisory council on climate change.

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

Green Car Congress

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

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