En-en adult card 11 concentration of co2: Difference between revisions
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Revision as of 00:16, 30 January 2021
Card #11: Concentration of CO2
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About half of our CO2 emissions are captured by natural carbon sinks.
The other half remains in the atmosphere ; the concentration of CO2 in the air has increased
from 280 to 410 ppm (parts per million) in 150 years.
Explanation
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