Organization for Tropical Studies: A non-profit consortium of 63 universities and research institutions. Conducts graduate and undergraduate education, facilitates research, participates in tropical forest conservation, maintains three biological stations in Costa Rica and conducts environmental education programs

Smithsonian Tropical Research Institute: Offers graduate and post-doctoral fellowships in tropical biology research at the Barro Colorado Nature Monument in Panama

The University for Peace: Graduate level studies and master's degree programs in international law and peace. Includes information about the faculty, worldwide study programs, international news, and an online library resource