Operating in 70 countries throughout Africa, Asia, Europe, and the Middle East, Winrock International is a non-profit organization that seeks to increase economic opportunity, sustain natural resources, and protect the environment. Major areas of emphasis include agriculture and rural development, natural resource management, business development, green energy, education, and democratic empowerment. They have a strong program to facilitate volunteer service in many places. Winrock also has offices in the Washington, DC area and in Brussels, Belgium. See their website for details.