Humanity has never removed an atmospheric pollutant at a global, continental or, even, regional scale — we have only ever shut down the source and let nature do the clearing up. The scale of the challenge is immense. We must slow the carbon clock to a crawl before we can turn it back.


My stepsonn posted a meme on his Mastodon account with both PP and MC claiming, à la Spartacus, "I'm Stephen…