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Politics : Manmade Global Warming, A hoax? A Scam? or a Doomsday Cult?
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To: Thomas A Watson who wrote (3714)2/9/2014 5:54:21 AM
From: Maurice Winn  Read Replies (1) of 4326
 
It's true that the mechanisms are different, but the expression is apt in that a greenhouse keeps the inside warmer on a cold night [or on a cold day], whereas the crop would freeze without the greenhouse [assuming it got so cold outside]. <The effect of CO2, H20, methane ...etc in delaying the radiative cooling of the earth has no relationship to the mechanism of a Green House warming in sunlight. Calling them green house gasses is universally accepted it seems, but is wrong.>

Adding carbon to oxygen in the air doesn't work the same way as an actual greenhouse, but it does help keep us warmer [albeit not enough to be helpful]. The main benefit is the big boost to crop growth and reduction in irrigation required.

Mqurice
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