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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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Climate Talks End In Copenhagen Accord; Countries Settle On Non- Binding 2 ºC Warming Limit

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The formal acknowledgement of the Copenhagen Accord ended a particularly contentious and chaotic set of negotiations, ostensibly capping more than a decade of deliberations towards a framework to reduce global greenhouse gas emissions beyond the terms of the Kyoto Protocol, which expires in 2012.

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