http://news.nationalgeographic.com/news/2007/02/070228-mars-warming.हटमल

Mars Melt Hints at Solar, Not Human, Cause for Warming, Scientist Says
Kate Raviliousfor 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"।) रीड मोरे अत थे लिंक अबोवे