Topic: Air Quality
Most of the ocean is more than two thousand meters deep. The sea floor is cold and dark, and the pressure is crushing. Yet sea creatures do survive here, and you’ll hear how they do it — today on Earth and Sky.
Related PLT Activities
- PreK-8 Guide
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)
Acid rain still falls
Related PLT Activities
About E&S Teachers Center
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.
Browse the topics to the right to view the radio shows and activity correlations.
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