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Mar 7, 2014 06:00 AM ET // Ian O'Neill
As winter descends on Mars' southern hemisphere, forming tell-tail frost in the lengthening shadows, the opposite is true in the northern hemisphere -- spring has sprung and the northernmost dunes are beginning to thaw.
Nov 25, 2009 01:25 AM ET // Ian O'Neill
When discussing man-made climate change (or anthropogenic global warming), I often drift into unfamiliar (and sometimes disturbing) territory. That territory is what I call The Land of the Afraid, Ignorant and Lost. In this weird alternative dimension there are doomsayers who are convinced the worl...
Feb 23, 2010 04:09 AM ET // Ray Villard
Apr 28, 2012 07:23 AM ET // Jason Major
As a follow-up to the excellent Wonders of the Universe app released by Harper Collins, Fragile Earth brings us from the farthest reaches of the Universe back to our own beautiful blue world.
Sep 6, 2012 02:33 PM ET // Trace Dominguez
We may be able to convert almost any planet into a safe, comfortable place for humans to live.
Sep 13, 2009 03:18 PM ET // Ian O'Neill
We are beginning to see the effects of the wholesale abuse of our planet first-hand. We all know the polar ice caps are melting, that huge landmasses are turning into dust bowls and various species of animals are popping out of existence, but the general response to this slow-moving train wreck of ...
Mar 15, 2010 03:15 PM ET // Ian O'Neill
When the sun enters solar minimum, its brightness decreases slightly. If this reduction of energy continued for an extended period of time, could it counteract global warming? Don't bet on it.
Mar 6, 2011 08:25 PM ET // Robert Lamb
If there was a "fun size" nuclear war, how would the climate react?
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