1. Ecoscenario Introduction A quick tour of some North American biomes

2. Arctic National Wildlife Refuge / Northeastern corner of Alaska / Middle Arctic Tundra / Issue / Drilling for oil

3. Cimarron National Grassland / Southwest Corner of Kansas / Prairie & Grassland / Issue / Rangeland Fires

4. Delaware Water Gap National Recreation Area / New Jersey and Pennsylvania / Several Ecosystems / Freshwater, riparian, forest / Issue / Water quality

5. El Yunque Caribbean National Forest / Puerto Rico / Tropical Rainforest / Issue / Habitat loss

6. Everglades National Park / Southern Tip of Florida / Subtropical Wilderness/ Swamp / Issue / Water use/quality

7. Florida Keys National Marine Sanctuary / Florida / Coral Reef / Issues / pollution

8. Monongahela National Forest / Allegheny Mt. of West Virginia / Forest / Issue / Pollutants

9. Monterey Bay National Marine Sanctuary / California / Ocean / Issue / fishing

10. Saguaro National Park / Arizona, California, Mexico / Desert / Issue / Off-road vehicles

11. Yellowstone National Park / Wyoming & Montana / Several ecosystems / Thermal pond, freshwater lake, grasslands, forests, taiga / Issue / Reintroduction of wolves