The Office of International Environmental and Science Affairs (OES) is an office of the U.S. Department of State. The Assistant Secretary of State for Oceans and International Environmental and Science Affairs coordinates a number of portfolios in the areas of oceans, the environment, polar, science, fisheries, wildlife, nature and natural resource protection, and public health issues that influence U.S. foreign policy interests.  The Assistant Secretary reports to the Secretary of State for Economic Growth, Energy and the Environment. The Directorate of Health, Space and Science includes the Office of International Health Affairs, which works with U.S. government authorities to facilitate policy development for international bioterrorism, infectious diseases, surveillance and response, environmental health and health in post-conflict situations. The Office of Space and Advanced Technology deals with the issues arising from our exploration of space to ensure the overall security of this new frontier, and the Office of Science and Technology (S-T) Cooperation promotes the interests of the U.S. scientific and technological communities in international policy, negotiates frameworks and other S-T agreements, heads the Department`s Embassy Science Fellows program  and plays a leading role in the department`s Agency Science Fellows  and plays a leading role in the department`s U.S. technology in international multilateral organizations such as UNESCO and other UN organizations, APEC, the OECD and others. The Directorate of Health, Space and Science has been headed since 2011 by Assistant Secretary of State Jonathan Margolis, Ph.D.  The Environment Directorate deals with environmental issues, including the environmental aspects of international trade and the protection of hazardous substances, which require multilateral agreements within the Office of Environmental Quality and Cross-Border Issues. The Office of Conservation and Water develops U.S.
foreign policy approaches for the conservation and management of global ecosystems and cross-border water issues. Assistant Assistant Secretary John Thompson, Ph.D., had been in charge since October 2019.  In addition to Washington staff, D.C. THE FAS has a global network of 98 offices in 177 countries. These offices are occupied by local agricultural attachés and agricultural experts who are eyes, ears and voices for American agriculture around the world. FAS staff identify problems, propose practical solutions and work to improve opportunities for U.S. agriculture and support U.S. foreign policy around the world. The Directorate of Oceans, Fisheries and Polars has two offices dealing with international oceans interviewing.