In the 1980s laws were passed to reduce the amount of certain chemicals used by companies and individuals. According to these la
ws, the use of chlorofluorocarbons, or CFCs, should be reduced and eventually eliminated. These compounds contain chlorine and cause problems when released into the Earth’s atmosphere. These laws are meant to reduce which human-induced environmental change?
nonnative species introduction
non-sustainable harvesting
ozone layer depletion
eutrophication
