UK's International Center website describes many interesting opportunities: http://international.uky.edu/ea

1. International Agribusiness in Argentina (Agriculture, Food, and Environment): Two week program in Argentina spent meeting with agribusiness firms, farmers, and policy representatives to learn how South America is able to compete with the U.S. in agriculture. Learn the limiting forces in South America agriculture and how it relates to the U.S. agriculture. (Spring)
2. CIEE Study Center - Tropical Ecology and Conservation in Costa Rica: Explore Costa Rica's Diverse and imitable ecosystems and gain comprehensive insight into their conservation through theory, hands-on exposure, and direct experimentation. (Spring)
3. Freiburg, Germany - Environmental Studies and Sustainability: Located near the Black Forest and Rhine River Valley, this program offers courses studying eco-friendly technologies and architecture. Research assistantship opportunities are also available. (Fall, Spring)
4. Mountains to Coast - Field Studies in Costa Rica: Experiential learning in a network of national parks and bio-reserves. Program focuses on tropical biology, ecological interactions, species identification, ecotourism, energy policy, sustainable agriculture, and climate change. (Summer)
5. Social and Environmental Justice in Oaxaca, Mexico: Design and conduct your own research project under the supervision of experienced researchers. Program emphasises ethical and cultural issues within marginalized communities. (Summer)