Birdwatch Archive

Birdwatch Note Rating

2022-07-20 17:43:14 UTC - HELPFUL

Rated by Participant: 73614ECF66199DDE114FA7BA6E82514D8612DB41B3BB12EEF47E5142B8E2A2AD
Participant Details

Original Note:

24 nations signed the Montreal Protocol limiting the use of CFCs in 1987. Scientists estimate that if the Montreal Protocol had never been implemented, the hole would have grown by 40 percent by 2013. Instead, the hole is expected to completely heal by 2050. https://www.smithsonianmag.com/science-nature/ozone-hole-was-super-scary-what-happened-it-180957775/

All Note Details

Original Tweet

All Information

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