Which organization primarily oversees the implementation of the Montreal Protocol?

The organization that primarily oversees the implementation of the Montreal Protocol is the United Nations Environment Programme (UNEP). This international treaty, which was adopted in 1987, aims to phase out substances that deplete the ozone layer. UNEP plays a critical role in providing the necessary framework and support to facilitate the implementation of the Protocol among its signatory countries.

UNEP is responsible for promoting the agreements made under the Protocol, conducting assessments of its effectiveness, and helping to coordinate the efforts of various stakeholders involved in ozone layer protection. By working with countries, UNEP ensures compliance with the commitments made to reduce and eliminate the use of ozone-depleting substances.

Other organizations also contribute to environmental health and conservation efforts, but UNEP is specifically designated for the Montreal Protocol and its oversight. Organizations like the World Health Organization focus more on public health issues, while the Environmental Protection Agency, as a national body, implements related regulations at the country level but does not oversee global treaties. The World Wildlife Fund, while an influential conservation organization, is not involved in the regulatory aspects of international agreements like the Montreal Protocol.