Topic: Trees
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)
An elusive beetle from a faraway land is threatening North American hardwood trees. But scientists are fighting back, with the help of a sound detector that can hear the faint sounds of munching beetle larvae deep in a tree.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
Satellites spy “selective logging” in Amazon
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
- Exploring Environmental Issues: Focus on Risk (9-12)
- Exploring Environmental Issues: Places We Live (9-12)
A once-common tree of North American mountain forests is in serious decline. Up next — a scientist talks about conserving whitebark pine trees — on today’s Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
As the twig is bent, so grows the tree. We’ll answer a listener’s question about why tree branches grow crookedly — instead of straight up toward the noon sun — today on Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (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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