Birdwatch Archive

Birdwatch Note Rating

2022-07-20 18:51:39 UTC - HELPFUL

Rated by Participant: E33D400CE4E5F7DA8C4813DA5269AFE6381347D72A1A5C54C7F05FF21C60E48C
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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