As the leading global environmental authority, UNEP administers, or provides secretariat functions for numerous Multilateral Environmental Agreements (MEAs) and other entities as follows:

Since the founding of the United Nations in 1945, countries have worked together to forge groundbreaking agreements to safeguard the environment. From protecting species to repairing the ozone layer, these accords reflect the power of international cooperation even in challenging times. 

A subset of these pacts, known as Multilateral Environmental Agreements (MEAs), underpin the global environmental movement.