How I Learned to Stop Worrying and Love Carbon Dioxide

Part of my childhood I spent in a wine-producing region in Lower Austria. There were wine cellars everywhere and all kids learned very quickly not to trust them and go inside unprotected as CO2 is heavier than air, accumulates in the cellar and you die from asphyxiation if your head goes under the CO2 lake. Not hard to see why CO2 was always something dangerous to me. Took me quite a while to find out that the danger does not lie in any form of inherent dangerousness but rather in the lack of oxygen. CO2 is an incredibly friendly molecule. And it’s the reason we all can be alive. We are living in CO2-poor times. We could do with a lot more in the air – our green friends would thank us for it. 

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