How air conditioners could keep you cool and capture carbon


Researchers propose modules attached to AC fans to help suck carbon out of ambient air.

A #German-#Canadian team thinks it might be possible to use ordinary building air conditioners to pull carbon dioxide out of the atmosphere and convert into “net-zero” emission carbon fuels.

These systems use large fans to expose air to carbon dioxide absorbing materials. The fans need to move vast amounts of air through the systems because carbon dioxide isn’t very concentrated in ordinary air. Even at its current high level, it’s only about 400 parts per billion in the atmosphere.

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