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

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IPCC reference emissions scenarios, 2000—2100. A BBC article [ 9 ] upped the stakes on Thursday the 9 th with an article on carbon emissions that characterized “the lower target of 1.5 BBC: 15 December 2009. [ BBC, 10 December 2009. [ by Jack Rosebro. Global 2ºC maximal warming limit as compared to past and. 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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Tom Wigley, and Christopher Green questioned the relevance of the reference emissions scenarios that the IPCC used in the Fourth Assessment Report to underpin estimates of future warming trends. ºC in 2050, as compared to 2000 temperatures. April, 2008 : In an article entitled Dangerous Assumptions ( earlier post ), Roger Pielke, Jr.,

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