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NASA reports that a recent lull in the sun’s activity did not prevent the Earth from absorbing more solar energy than could escape back into space. This means that climate change is mainly caused by human activity–not the sun, as some people would like to think.

This imbalance (more energy coming in than leaving) is what drives global warming, and because it occurred during a period when the sun was emitting comparatively low levels of energy, it means we have to clean up our act and curb greenhouse gases. read more

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We worry about fighting off an alien invasion in the future, but the biggest invasion of new creatures may be right here on Earth RIGHT NOW. We’ve warned you before that as the world heats up and glaciers melt, dangerous microbes may return to life. Russian scientists agree and want to investigate the gigantic Lake Vostok in Antarctica that is now hidden under over two miles of ice. The creatures in that lake have been locked away in the dark and cold for 20 million years.
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For the first half of the winter, there were warm temperatures and a lack of snow. But then all that changed: Temperatures in Europe have plunged. It has even snowed as far south as North Africa. Now it’s starting to warm up again.

On the NASA website, Dauna Coulter quotes NASA climatologist Bill Patzert as explaining what happened: "A couple of weeks ago, Mother Nature did an about face. The tight polar vortex that had bottled up the cold arctic air in the beginning of winter suddenly weakened. Cold air swept out of Siberia and invaded Europe and the Far East."
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