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Old 11-12-2018, 12:38 PM   #3665 (permalink)
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Originally Posted by sendler View Post
Direct Air Capture of 1/3 of the carbon uses up 1/4 of the energy that made the CO2.
"On this basis, the paper says that capturing 12 billion tonnes of CO2 equivalent (GtCO2e) per year (around a third of annual global emissions) would require 156 exajoules (EJ) of energy. This is more than a quarter of total annual global energy demand for all uses, of around 550EJ."
Plants can capture the carbon - and do the hardest pat of splitting away the oxygen - virtually for free.
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