[cogitator]

This particular idea has already been addressed here:

http://www.realclimate.org/index.php/archives/2006/03/meteors-nuclear-tests-and-global-warming/

Summary: the idea needs a lot more work.

[westmichman]

I still think the idea that what we are doing is causing global warming is a bunch of garbage designed to destroy capitalism. The sun causes global warming, period. What were the CO2 emissions coming from that caused the glaciers to recede from Michigan?