Chlorofluorocarbons

The video discusses halogenated compounds like ethane, methane, and propane, where hydrogen atoms are replaced by chlorine and fluorine. Historically, these compounds were used in refrigerators, as fire suppressants, and in aerosols. However, their use led to significant damage to the ozone layer, prompting an international agreement in 1989 to phase them out.

What international agreement was made in response to the damage caused by these substances?

In what year was the international agreement to phase out the use of these hydrocarbons established?