Thank you for posting this, this is a very important follow-up to the parent's linked paper. I'm a stratospheric scientist. Back when the reports were written,

Thank you for posting this, this is a very important follow-up to the parent's linked paper. I'm a stratospheric scientist. Back when the reports were written, that CFC's were still being emitted in China, our community was pretty bummed and weren't very hopeful, but we were very happily surprised when China got those emmissions under control so quickly.