‘I know the title of this particular newsletter, ‘Let’s All Remember When We Saved The World’, is the kind that will attract clap-backs like “oh stop with the sensationalising, the ‘world’ will be fine, it’s just humans who will find it harder, I hate you climate-change clickbait people.”

To pre-empt a bit of that, let’s look at our world without its ozone layer, which was exactly what Rowland and Molina’s work seemed to predict.’ (Mike Sowden via Everything is Amazing).