US Climate Envoy Pooh-Poohs 2 Degree Goal
Why stop at 2 degrees of warming?
US climate envoy Todd Stern is stirring up some international debate after suggesting that the world should drop the goal of limiting global temperature rise to 2 degrees Celsius (3.6°F).
To recap, back during the 2009 climate negotiations in Copenhagen, the US and other countries reached a non-binding political agreement that, among other things, stated that they would aim to limit global warming to 2 degrees Celsius. (And that goal was contentious, as many of the most-impacted and least-developed countries wanted a goal of 1.5 degrees.) Two years later, in Durban, negotiators outlined a path forward for a legal agreement, stating that they would try to negotiate a deal by 2015 that would take effect in 2020.
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