Earth would be heading to a freeze without CO2 emissionsNovember 12, 2008 in Earth / Earth Sciences
Scheduled shifts in Earth's orbit should plunge the planet into an enduring Ice Age thousands of years from now but the event will probably be averted because of man-made greenhouse gases, scientists said Wednesday.
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"Earth would be heading to a freeze without CO2 emissions" November 12, 2008 http://phys.org/news/2008-11-earth-co2-emissions.html