First-of-its-kind detection of reduced human carbon dioxide emissions

The Extinction Chronicles

by Jessica Merzdorf Evans,NASA’s Goddard Space Flight Center

satellites
Credit: Pixabay/CC0 Public Domain

https://phys.org/news/2022-04-first-of-its-kind-human-carbon-dioxide-emissions.html

For the first time, researchers have spotted short-term, regional fluctuations in atmospheric carbon dioxide (CO2) around the globe due to emissions from human activities.

Using a combination of NASA satellites and atmospheric modeling, the scientists performed a first-of-its-kind detection of human CO2emissions changes. The new study uses data from NASA’s Orbiting Carbon Observatory-2 (OCO-2) to measure drops in CO2emissions during the COVID-19 pandemic from space. With daily and monthly data products now available to the public, this opens new possibilities for tracking the collective effects of human activities on CO2concentrations in near real-time.

Previous studies investigated the effects of lockdowns early in the pandemic and found that global CO2levels dropped slightly in 2020. However, by combining OCO-2’s high-resolution data with modeling and data analysis tools from…

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