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A comment on Launch HN: Living Carbon (YC W20) – Trees that capture and store more carbon. Parent comment

Re:Launch HN: Living Carbon (YC W20) – Trees that capture an... by cwkoss on Monday March 14, 2022 @01:56PM (#30675657)
Interesting research question: how much did the fear of air travel resulting from 9/11 reduce the rate of CO2 being released into the atmosphere?
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