Al Gore: Global warming is making people dumber...

I thought it was microwaves being beamed at us by Obama...

Via Daily Caller:

First, United Nations officials label bacon and deli meats as carcinogens, and now scientists are claiming that higher concentrations of carbon dioxide are not only heating the planet, they’re making people dumber.
A new study by the Harvard School of Public Health claims “carbon dioxide (CO2) has a direct and negative impact on human cognition and decision-making,” according to ThinkProgress, a left-wing advocacy website.
Former Vice President Al Gore wasted no time tweeting out ThinkProgress’ in-depth article, trying to link higher carbon dioxide levels to lower cognition in humans.
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