Topic: Ecosystem Services
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)
Economics in the 21st century
Related PLT Activities
- PreK-8 Guide
- Energy and Society (PreK-8)
- Exploring Environmental Issues: Focus on Forests (9-12)
- Exploring Environmental Issues: Places We Live (9-12)
Carbon dioxide, or CO2, makes up a tiny fraction of Earth’s atmosphere, and yet CO2 can have a big effect on long-term warming of our planet. A scientist talks about how Earth deals with CO2 — on today’s Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- Energy and Society (PreK-8)
- The Changing Forest: Forest Ecology (9-12)
For years New York City had unusually pure drinking water. But in the 1980s, heavy development upstream led to its degradation. Discover a conventional response — and a wild alternative — on today’s Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Focus on Forests (9-12)
The cleanup of contaminated soils poses a challenge to environmental scientists. An innovative way to do it involves certain organisms that naturally gobble up soil pollutants. Discover white rot fungi — on today’s Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Municipal Solid Waste (9-12)
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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