http://www.bbcweb3hytmzhn5d532owbu6oqadra5z3ar726vq5kgwwn6aucdccrad.onion/future/article/20220321-what-happened-to-the-worlds-ozone-hole
22 March 2022 Share Save Kira Walker Features correspondent Share Save Getty Images Back in the 1990s, the hole in the planet's ozone layer was a pressing global crisis – if we had ignored it, today there would be several. In the late 1970s, Jonathan Shanklin, a meteorologist with the British Antarctic Survey, spent much of his time tucked away in an office in Cambridge working through a backlog of data from the...