Birdwatch Archive

Birdwatch Note Rating

2022-07-21 16:40:50 UTC - HELPFUL

Rated by Participant: D61CC0AC360321B40067A5AE82671769E868E2523558B519916C6647A8C922EB
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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  • helpfulnessLevel - HELPFUL
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  • ratingsId - 1549781045201047554D61CC0AC360321B40067A5AE82671769E868E2523558B519916C6647A8C922EB