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Yes, back in the 80s they realized there was a growing hole in the ozone layer from the chemicals used in refrigerants and aerosol cans. The Montreal Protocol was international law that banned those chemicals, and they use different ones now. The hole has shrunk since, it is healing.

Wow, I didn't know about it.. so we actually did something and the great thing is it works. Sounds beautiful!❤️ Thank you for this information.🙏🏼