Final answer:
The production and phase out of CFCs took place as a result of the "Montreal Protocol" agreement established in 1987. The protocol has been successful in reducing CFC emissions and there are signs of an ozone recovery. Developing-country participation is necessary for global production and elimination of CFCs.
Step-by-step explanation:
The production and phase out of CFCs took place as a result of the "Montreal Protocol" agreement established in 1987. This international agreement aimed to phase out the production of CFCs in most countries.
The protocol has been successful in reducing CFC emissions and there are signs of an ozone recovery. However, developing-country participation is necessary for global production and elimination of CFCs.