Topic: Ecosystems
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)
Amazon River exhales carbon dioxide
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J.R. McNeil of Georgetown University told Earth & Sky that in the 18th and 19th centuries, nature enthusiasts often intentionally transported creatures and seeds over long distances — even across oceans.
He said, “Thomas Jefferson was one such, he wanted to establish mulberry trees and silkworm culture in Virginia, for example. And there was a fellow in the 1890s who allegedly had decided that what North America really needed was all the birds mentioned anywhere in the works of Shakespeare …”
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
- Exploring Environmental Issues: Biodiversity (9-12)
Earth & Sky spoke to Jeannette Waddell of the National Ocean Service. She edited and contributed to a major scientific assessment of coral, released in 2005. One hundred sixty scientists helped in this first-ever attempt to pull together monitoring data, with the goal of providing a status report on U.S. coral reef ecosystems …
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Focus on Risk (9-12)
Giant hurricanes and other storms formed our planet’s barrier islands, thin strips of dunes that line many coastal areas. These islands shift in response to natural and man-made forces — learn more on today’s Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Focus on Risk (9-12)
- Exploring Environmental Issues: Places We Live (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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