Tracking CO2 emissions from space could help support climate agreements
23 Nov 2022

A global network of ground-based CO2 measurements began in 1957 and now consists of over one hundred stations around the world. Accurate and precise measurements from these stations have revealed a lot about changes in global atmospheric CO2 and Earth’s overall carbon cycle, but we can’t place these stations everywhere on Earth.
Satellites can observe the entire planet. Those that measure CO2 in the lower atmosphere near Earth’s surface (where CO2 emissions and CO2 uptake by plants happens) first began making measurements in 2002.
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