The Air in There: Offices, and Issues, That Seem to Make Us Stupid

CO2 in office air slows our thinking, a study finds. But the air is bad partly because we're getting thriftier in our use of energy.
Photograph: Getty Images
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It's tempting to conclude from the climate change debate that all that carbon dioxide in the air is making everybody dumber.

In fact, all that carbon dioxide in the air is making everybody dumber.