President Barack Obama briefs European leaders, including Danish Prime Minister Lars L. Rasmussen, following a meeting at the United Nations Climate Change Conference in Copenhagen, Denmark, December 18, 2009. (Source: Official White House Photo by Pete Souza)
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By studying thousands of buildings and analyzing their electricity use, Columbia Climate School Dean Alexis Abramson has been able to uncover ways to significantly cut energy consumption and emissions. Watch the Video: “Engineering a Cooler Future Through Smarter Buildings“