Here’s the problem with carbon dioxide capture

IMAGE: Climeworks

In September 2021, Swiss company Climeworks opened its first large atmospheric carbon dioxide capture plant, the largest in the world, in Iceland. The idea is exactly what you would imagine: huge fans blowing air through a series of filters and extracting carbon dioxide, then injecting it into porous basaltic soils for permanent capture. The idea of extracting the carbon dioxide from the air that accounts for…