this post was submitted on 01 Aug 2026
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China Crosses Energy Milestone as Coal Falls Below 50% of Power (www.energyconnects.com)
submitted 2 days ago by sanitation@lemmy.today to c/technology@lemmy.world
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[–] GoatSynagogue@lemmy.world 3 points 2 days ago (1 children)

How would satellite images show how much coal is being used or how much power is generated by anything?

[–] SourGumGum@lemmy.world 3 points 2 days ago (1 children)

Because satellites can track gasses and what not.

[–] Earthwormjim91@lemmy.world 3 points 2 days ago* (last edited 2 days ago)

Yup. And here’s some more to back you up. There are several satellites whose sole purpose are tracking greenhouse gas emissions.

Japan has GOSAT (Greenhouse Gases Observing Satellite) and GOSAT2 https://en.wikipedia.org/wiki/Greenhouse_Gases_Observing_Satellite

NASA has Tanager-1 https://www.nasa.gov/earth/climate-change/nasa-designed-greenhouse-gas-detection-instrument-launches/

And two CO2 mappers along with a dedicated methane mapper.

https://svs.gsfc.nasa.gov/5332/

The ESA has Sentinel-5P https://www.esa.int/Applications/Observing_the_Earth/FutureEO/Space_for_our_climate/Satellites_providing_clear_picture_of_greenhouse_gases

There’s also MethaneSat that tracks methane emissions. https://www.methanesat.org/satellite

And GHGSat which tracks industrial emissions. https://www.ghgsat.com/en/technology/constellation/