NASA's Orbiting Carbon Observatory 2 satellite can see the buildup of carbon dioxide around cities, says project scientist Michael Gunson, but researchers are still trying to figure out whether the scale of the data is 'good enough to verify human activity.'[[NASA)
https://www.cbc.ca/news/technology/m...ases-1.3340162
So they do not know.
You have scientific research being done and presented by scientists not climate scientists.
The same scientists that said it was okay to put cocaine in Coca Cola.
Asbestos is the latest and greatest.
Lead is the best use in water pipes.
Mercury is good for medical uses.