CO2 Makes Humans Dumber

That’s what Joe Romm says, quoting research from Harvard.

If true, this finally solves the great mystery of global warming:

How can humanity be both so clever as to develop modern civilization in the first place and so dumb as to burn all the fossil fuel?

My previous explanation involved an alien hypnotist who made humanity heat up the planet for entertainment purposes.

But if this theory is correct, we might have another explanation that makes sense.

Unfortunately, that would involve a negative feedback spiral. As more CO2 gets into the atmosphere, humans get dumber and release even more CO2 as a consequence.

As of now, I am not sure if CO2 makes humans dumber.

But I am sure that it is correct the other way round. You need a rather low level of human cognition to release all that CO2.

Published by kflenz

Professor at Aoyama Gakuin University, Tokyo. Author of Lenz Blog (since 2003,

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