Or the issue with the ozone hole in the 1980s... that was not solved by people stopping personal use of CFCs, or boycotting products that used CFCs. A multinati

Or the issue with the ozone hole in the 1980s... that was not solved by people stopping personal use of CFCs, or boycotting products that used CFCs. A multinational agreement known as the Montreal Protocol is what stopped the use and production of CFCs.