The delay in banning CFCs was due to industry opposition and the development of profitable substitutes, leading to the Montreal Protocol.
CFCs were recommended to be banned due to their harmful impact on the ozone layer. However, the ban was delayed due to industry opposition and the need to develop profitable CFC substitutes, such as compounds with C-H bonds. The Montreal Protocol was a significant international agreement that led to the phased reduction of CFCs to protect the ozone layer.
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