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Subtopic: Human Impact

Change grade range

Resource	Grade Level	Media Type
Bears' Lunch Counter This Nature video segment explores how the relationship between humans and grizzly bears has changed over the course of American History, and it describes the closing of the Yellowstone National Park garbage dumps in the 1970s.	6-12	QuickTime Video
Bears in the Schoolyard Learn about the precautions humans must take in the face of a growing grizzly bear population in this video from Nature.	6-12	QuickTime Video
Center for Sustainability at Penn State University Tour In this Flash interactive a guide to the Hybrid Homestead introduces the concept of ecological footprint or how big an impact humans make on the ecosystem. We visit a yurt, kitchen, bathroom, and greenhouse designed to reduce human energy needs.	6-12	Flash Interactive
Collapse of Sharks This video segment from Nature shows the destructiveness of the shark fin and shark cartilage industries.	6-12	QuickTime Video
Seahorses This video from Thinkport introduces the seahorse, an unusual, endangered fish that has puzzled scientists who are attempting to save it.	K-5	QuickTime Video
Sharks and Fishermen Sharks and fishermen compete for the same catch in this video segment from Nature.	6-12	QuickTime Video
This is Their Land Examine how the human/grizzly relationship has changed since the closing of the Yellowstone dumps, and also learn about the challenges posed to both humans and bears, in this video segment from Nature.	6-12	QuickTime Video
To List or Not to List In this video from Nature, learn more about the ongoing debate regarding whether or not the grizzly bear population needs special protection .	6-12	QuickTime Video