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We recently reported that changes in the Arctic could halt the Gulf Stream–maybe changing our climate permanently. Now climatologists are warning us that the world is close to reaching tipping points that will make it irreversibly hotter.

We have only about 10 years left to control greenhouse gas emissions, and if we don’t (and it doesn’t look like we will), the world will reach thresholds beyond which the effects on the global climate will be irreversible, such as the melting of polar ice sheets and loss of rainforests.
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Why do we get the flu in the winter? It’s basically because cold air and central heating both try out our nasal passages, so that we can’t "catch" viruses before they get into our body and make us sick. Flu season can begin as early as October, and it usually ends in March or sometimes not until April. The average flu death rate per season is around 12,000.

This has been an especially light flu season: For every patient who was hospitalized this season, 22 people were hospitalized during the 2010-11 flu season. The reason for this may be global warming.
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Despite the fact that talk radio is still denying it, new research reveals that About 3.7 million Americans live within a few feet of high tide and risk being hit by more frequent coastal flooding in the future, due to global warming. Maybe it’s time to move to higher ground before more than just your mortgage is "under water."
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