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Old 06-01-2012, 09:03 PM
David Hayward David Hayward is offline
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Join Date: Dec 2010
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Quote:
Originally Posted by 5./JG27.Farber View Post
Volcanoes?
Volcanoes can pump huge amounts of CO2 into the atmosphere. They can also cool the planet in the short term by blasting lots of dust into the air.