Topic: Water
Acid rain still falls on parts of North America. In the Appalachians, some streams have become so acidic that a large percentage of their aquatic life has disappeared. Acid rain and streams?coming up on today’s Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Municipal Solid Waste (9-12)
Acid precipitation has damaged some lakes in the eastern United States. On the other hand, in the west, wilderness lakes are mostly pristine. Learn more about a monitoring program for western lakes.
Related PLT Activities
You can find the ecological footprints of humans in the even most remote part of Antarctica. A scientist talks about how air pollution affects alpine plant life here in the U.S. — today on Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- Energy and Society (PreK-8)
- The Changing Forest: Forest Ecology (9-12)
- Exploring Environmental Issues: Places We Live (9-12)
The water in Clear Lake is clear, and cold. From its surface, you can look into the water’s depths, and what you can see is . . . trees. Clear Lake’s underwater forest are featured on today’s Earth and Sky.
Related PLT Activities
- PreK-8 Guide
Coal-fired power plants generate ash that can be toxic and can pollute streams. Forest researchers are looking at natural ways to stabilize and pump out polluted water. Find out more about coal ash and trees — on today’s Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- Energy and Society (PreK-8)
- Exploring Environmental Issues: Focus on Forests (9-12)
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PROJECT LEARNING TREE® is an award winning Environmental Education program of the American Forest Foundation.
Enhance learning in your classroom with correlated PLT lessons. Hundreds of correlations have been developed combining PLT's award winning PreK-12 Environmental Education curriculum and Earth & Sky's radio series.
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