http://news.nationalgeographic.com/news/2007/02/070228-mars-warming.html
http://snipurl.com/1bozg Mars Melt Hints at Solar, Not Human, Cause for Warming, Scientist Says Kate Ravilious for National Geographic News February 28, 2007 Simultaneous warming on Earth and Mars suggests that our planet's recent climate changes have a natural—and not a human-induced—cause, according to one scientist's controversial theory. Earth is currently experiencing rapid warming, which the vast majority of climate scientists says is due to humans pumping huge amounts of greenhouse gases into the atmosphere. (Get an overview: "Global Warming Fast Facts".) Mars, too, appears to be enjoying more mild and balmy temperatures. In 2005 data from NASA's Mars Global Surveyor and Odyssey missions revealed that the carbon dioxide "ice caps" near Mars's south pole had been diminishing for three summers in a row. <more> Ackshully, it's the emissions from those rovers. ;-)
