This course will explore the ecology, geology, and cultural significance of the greater Yellowstone area through readings, discussions, use of a GIS, and a field excursion to Yellowstone National Park and Grand Teton National Park. One night will be spent at a state park in eastern Idaho, five nights at Yellowstone National Park, and two nights at Grand Teton National Park. Students are required to register concurrently for both ENVS 399A (3 credits) and 399B (1 credit) and participate in a filed excursion to Yellowstone and Grand Teton National Parks as part of this course. For environmental studies major, this course will substitute for ENVS 368 (4 credits)