Topic: Trees
In the U.S., some people note the beginning of spring when cherry trees ringing the Jefferson Monument begin to bloom. But what if spring comes too early? A listener’s question about false spring — on Earth and Sky today.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
The Giant sequoia tree — one of the largest organisms on Earth — was named for Sequoyah, the Cherokee Chief who invented the Cherokee alphabet. Learn more about the Giant Sequoia tree.
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Focus on Forests (9-12)
- Exploring Environmental Issues: Focus on Risk (9-12)
Even if you work in a “paper-less office” in a modern glass-and steel tower, old-fashioned paper and wood products are still in demand. We’ll talk about how to keep up with the demand.
Related PLT Activities
- PreK-8 Guide
- Energy and Society (PreK-8)
Over thousands of years, a tree’s pests and that pest’s natural enemies can reach a balance — so all these creatures can thrive. But when you take any one of them out of its ecosystem, you’ve got trouble. More — on today’s Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
Large evergreen hemlock trees in the eastern North America provide a rich habitat for plants and animals. Now an invasive species is threatening hemlocks. Fighting insect with insect — 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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