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Thanks. Garcia Oliver. Plants absorb CO 2, of course, but they take up a lot of room and are slow, inefficient CO 2 absorbers. 2 scrubbers use chemicals that don't meet your criteria. Monoethanolamine (MEA) is used to scrub carbon dioxide from gas streams, but it's corrosive and toxic in very small amounts.hanks. Garcia Oliver. Plants absorb CO 2, of course, but they take up a lot of room and are slow, inefficient CO 2 absorbers. 2 scrubbers use chemicals that don't meet your criteria. Monoethanolamine (MEA) is used to scrub carbon dioxide from gas streams, but it's corrosive and toxic in very small amounts.
4. Ocean acidification. The ocean has absorbed about 30 percent of the carbon dioxide humans have sent into the atmosphere since the start of the Industrial Revolution â some 150 billion tons.