Office Home Office Home About Us Key Topics HomeBureaus & Offices > Bureau of Oceans and International Environmental and Scientific Affairs ...Office of Environmental Quality hide Office of Environmental Quality Environment Our Mission The State Department’s Office of Environmental Quality (ENV) is staffed by experienced scientists, lawyers, and diplomats who develop and implement U.S. foreign policy to protect air, food, soil, and biota from pollution, and promote a healthy environment by working with trade partners and multilateral institutions around the globe.