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Comment by adammichaelc | Hacker News Reader

As always, it has been an intellectual feast to read through the comments on both sides of this debate. I would just like to throw this out there to see what YC thinks. Is this possibly an explanation to the warming we are seeing? Mars Warming Points to Solar, not Human, Causes for Global Warming http://news.nationalgeographic.com/news/2007/02/070228-mars-...

Also, I'm curious if anybody knows what other alternative theories are out there?

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The skepticism in the article about Abdussamatov's conclusions says to me that he has a long way to go before he can really show "solar, not human" cause. It's an alright article.

I think it's interesting that it is dated a year and a half after this discussion: http://www.realclimate.org/index.php/archives/2005/10/global...

"The shrinkage of the Martian South Polar Cap is almost certainly a regional climate change, and is not any indication of global warming trends in the Martian atmosphere. Colaprete et al in Nature 2005 (subscription required) showed, using the Mars GCM, that the south polar climate is unstable due to the peculiar topography near the pole, and the current configuration is on the instability border; we therefore expect to see rapid changes in ice cover as the regional climate transits between the unstable states."

The sun is doing all sorts of "odd" things.

http://physicsworld.com/cws/article/news/40456

And, there are strange correlations.

http://landscheidt.auditblogs.com

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