The world agreed to ban this dangerous pollutant — and it’s working |For the first time ever, researchers have detected a significant dip in atmospheric levels of hydrochlorofluorocarbons
I think linking directly to the quoted source instead would've been a better choice considering it's not behind an - albeit very weak - pay/subscribe wall.
It's a gift link, so people shouldn't hit the paywall for the next two weeks unless they're doing something unusual, like disabling JavaScript or running a browser extension which strips off the paywall-bypass token.