Dr. Richard Alley

from  Smart People Podcast

Feb 26, 2012

Dr. Richard Alley – Geologist & Climate Change Specialist: It is no longer a matter of if, how or how long…it’s real & it’s happening.  The amount of greenhouse gasses within Earth’s atmosphere are increasing at an alarming rate which is causing a continuous and unsustainable rise in the Earth’s climate. This is not alarmist, I’m not...

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