http://green.planetbasics.com/cs/blogs/global_warming/archive/2007/06/19/global-dimming.aspxNow that global dimming has been proven world over, just remember to appreciate that blue, blue sky next time a strong storm blows over your neighborhood. Very interesting studies were conducted after a scientist noticed that the sky in the U.S. was amazinglyenCommunityServer 2.1 SP2 (Build: 61129.2)