The United Nations Environment Programme (UNEP) is the leading global environmental authority within the UN system. It sets the global environmental agenda and promotes sustainable development. UNEP is headquartered in Nairobi, Kenya and works to provide nations and people with leadership and partnerships to improve environmental quality of life for current and future generations. It coordinates UN environmental activities, assists developing countries with sustainable policies, and oversees secretariats for important multilateral agreements related to issues like climate change, biodiversity, and hazardous chemicals.