By Kira Walker, 21st March 2022 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 … Continue reading “What happened to the world’s ozone hole?”, BBC Future