At today's discussion "Global Warming: Connecting the Dots From Causes To Solutions," Dr James Hansen, Professor of Earth and Environmental Sciences at Columbia University , talks about the consequences of putting more CO2(Carbon Dioxide) in the air.

Hansen explains that the Energy Department said that we are going to put out more Carbon Dioxide in the air than the following and if this continues we will have a climate change that will make the Artic ice to melt. (0:28)
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