Acid Lake

Add acidity to a healthy lake and see what happens to the plants and animals in this interactive activity adapted from EcoKids.

Amazon Rainforest

This video segment from the Race to Save the Planet teaching module "Saving the Diversity of Life" describes the ecological value of tropical rainforests and explores some of the causes of their destruction.

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An Alaska Native Community Helps Seals

This video from First Alaskans Institute spotlights the Alaska Native community of St. Paul and its hands-on commitment to care for the land and animals on which it depends.

Backyard Birdfeeders

This video from WPSU’s series Outside suggests how to feed birds in winter, a hobby that can foster awareness, care, and respect for birds.

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Bats of the Southwest

This video segment from the Nevada Department of Wildlife looks at various species of bats and how they impact the environment.

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Bear Research

In this video segment from IdahoPTV's D4K tag along with two biological researchers as they conduct their research project about bear movements.

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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.

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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.

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Burrowing Owl

In this video segment from Outdoor Nevada, learn about burrowing owls, yearlong residents of open, dry grassland and desert habitats, and the only owls that nest underground and are active both day and night.

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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.

Chemical Hazards at Home

In this interactive activity from the National Library of Medicine, investigate some of the chemical hazards commonly found in homes.

Collapse of Sharks

This video segment from Nature shows the destructiveness of the shark fin and shark cartilage industries.

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Compare the Poles

Explore the defining features of the Arctic and the Antarctic in this interactive activity adapted from the Woods Hole Oceanographic Institution.

Contaminants in the Arctic Human Population

In this video segment adapted from LOKE Films and the Arctic Monitoring and Assessment Programme, learn how human populations in the Arctic are affected by industrial contaminants in the food chain.

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Converting to Biodiesel

Meet a college student whose class project to turn cooking grease into diesel fuel resulted in converting bus fleets to biodiesel, in this video from Earth Island Institute's New Leaders Initiative.

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Coral Reef Connections

Dive in and explore what makes this beautiful world so fragile. In this Evolution Web feature, discover how coevolution has shaped the ecological relationships among reef creatures.

Dolly Garza: A Tlingit and Haida Scientist

In this interactive resource adapted from Raven Radio/KCAW, listen to biologist Dr. Dolly Garza as she explores the sea otter population of Sitka, Alaska, from the perspectives of her tribal heritage and her Western education.

Dustin Madden: Science Teacher

In this video profile produced for Teachers' Domain, meet teacher Dustin Madden, an Iñupiaq who hopes to inspire students to take an active role in protecting the natural environment by giving them a foundation in math and science.

Endangered Species

This video segment from IdahoPTV's D4K explores the many reasons why animals become endangered or become extinct.

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Fish Research

This video segment from IdahoPTV's D4K explains the Chinook salmon's life cycle in the Pacific Northwest and why it is an endangered species. A fisheries biologist takes students through some steps of fish research with explanations of the kinds of information biologists gather to perhaps help manage fish recovery.

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