Global Warming on Mars — and Jupiter, Pluto, Neptune
Environment
Monday 19 March 2007
The common denominator in all these cases, the Earth included, is of course the Sun, which is in the middle of an extremely active period at present. The last time it was so active was during the Medieval Warm Period of 700 years ago, a period where the Earth was warmer than it is today. (...)
See online : http://digg.com/environment/Global_Warming_on_Mars_and_Jupiter_Pluto_Neptune