Brazil - Saving Golden Lion Tamarins
Hawai‘i: Saving Species
Galápagos: Islands of Change
Paraguay: Eco-Leadership
Baja California, Mexico: Field Methods
Costa Rica: Neotropical Ecology
Queensland, Australia: Great Barrier Reef
Mongolia: Steppe Ecology & Civic Media
India: Species, Deities, & Communities
Guyana: Local Wisdom & Conservation
Borneo: Primate Conservation
Amazon: Avian & Tropical Ecology
Thailand: Buddhism and Conservation
Namibia: Great Cat Conservation
Belize: Approaches to Environmental Stewardship
Kenya: Wildlife & People in Integrated Landscapes

It depends. Each state has different requirements for certification. Please check with your state's Department of Education or your local university's College of Education or similar department to find out the details for your area.