Pollution

Sea Otter Heroes: The Predators That Saved an Ecosystem

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Copies: 6

In Elkhorn Slough, an inlet on the California coast, seagrass grows healthy and strong in the shallow water, providing homes for fish, preventing erosion, and trapping carbon from the environment.

This healthy seagrass baffled marine biologist Brent Hughes. Water in the slough is chock-full of nutrients from fertilizer runoff on nearby farms. Normally, nutrient-polluted water supports huge population of algae that block sunlight from reaching the seagrass, and the seagrass dies. Why has the slough's seagrass thriving?

Author:

Patricia Newman

Lexile:

1060L

Sea Otter Heroes: The Predators That Saved an Ecosystem

Cardline: Globetrotter

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Players of Cardline: Globetrotter want to rid themselves of cards as quickly as they can, with the first player to have an empty hand winning the game.

Grade Level:

Elementary

Middle

High

Content Area:

Social Studies

Play Time:

15 min.

Phoenix Rising (Unabridged)

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Nyle's life with her grandmother on their Vermont sheep farm advances rhythmically through the seasons until the night of the accident at the Cookshire nuclear power plant. Without warning, Nyle's modest world fills with protective masks, evacuations, contaminated food, disruptions, and mistrust.

Author:

Karen Hesse

Grade Level:

Middle

Lexile:

610L

Length:

04:33

World in the Balance: The Population Paradox (2004)

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Part 1: The People Paradox: Startling trends in population are discussed as the program looks at the aging populations of Japan, Europe, and Russia. But in parts of Africa and India, more than half of the still growing population is under 25. The conclusion: the world population is careening in two dramatically different directions.

Grade Level:

High

Length:

02:00

World in the Balance: The Population Paradox

Taking Care of our Earth (1999)

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With the help of animated landfill characters, students learn about their environment. Natural resources are identified and shown as students learn how important it is to conserve them. They also discover how reducing, reusing, and recycling benefit our environment, and how air and water pollution can hurt it.

Grade Level:

Primary

Elementary

Length:

00:17