Senior Russian Scientist, Habibullo Abdussamatov, of the Pulkovo Astronomical Observatory, St. Petersburg, has studied changes in the sun's irradiance and believes that both Mars and Earth are going through a warm period due to changes in the sun's heat levels. Abdussamatov commented that our contribution to global warming is but small.This has been investigated because the temperatures on earth and on Mars seem to be working in tandem.
Abdussamatov actually predicts a 'steep cooling' in the next 15-20 years.
LINK: http://news.nationalgeographic.com/news/2007/02/070228-mars-warming.html
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