Topic: Conservation
In the early 1900s, mountain runoff destined for California’s Owens Lake was diverted to Los Angeles. By the 1920s, the lakebed was dry — a source of dust pollution. Learn how Owens Lake is undergoing a renaissance — today on Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Places We Live (9-12)
The northern midwestern U.S. once consisted of grasslands and wetlands. But, in the last century, much of that was converted to cropland. Today on Earth and Sky, we learn about a conservation program to restore this area.
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Focus on Risk (9-12)
The most important conservation issue in California today — is water. Most California water is found in the northern part of the state — while most of the human population is further south. Wetlands restoration — on today’s Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Focus on Risk (9-12)
Imagine a tropical paradise of sandy beaches, wild orchids, giant ferns and birds of paradise. But something’s missing — there are very few fish. We’ll talk about marine reserves in St. Lucia — today on Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Focus on Risk (9-12)
Over 90% of the big fish in the ocean — such as marlins and tuna — have disappeared over the last half century. A marine scientist talks about what we can do about it — 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)
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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