CNN asks: Why are we still debating climate change?
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Published on Feb 23, 2014 Dr. Michio Kaku and Jack Mirkinson on why the media continue to present human impact on climate change as questionable.
CNN weather anchor Chad Myers explains why the world has seen such extreme weather lately. Related The UK Response to Climate Change (UK Storms, Floods, Extreme Weather) Feb, 2014
Published on Aug 20, 2013 A UN panel says scientists are now 95% sure human activity is behind the increase in global warming since the 1950s.