Browse by Subject: Environmental & Earth Sciences

Air is a thin mixture of gases which supports life through a cycle between plants and animals. Only a small amount of waste added to the air by human...
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A look at the life-giving blanket around the earth. "Air" explains the reasons why air is necessary to all life on earth, and the ways we use it to...
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“Lands and waters — that’s what we get, in a lands and waters alphabet.” This award-winning program uses an unusual approach to help reinforce this...
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A great value! The alphabet is as easy as ABC thanks to this wonderful series of seven programs now compiled on one DVD! Each program offers a...
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Weather balloons and wind socks, fog and smog, tornadoes and hurricanes — they're all included in this alphabetic kaleidoscope of weather phenomena....
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Full series includes: - Estuaries - Freshwater Wetlands - Freshwater - Marine
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Life in estuaries — the ecosystem formed when the fresh water of a river meets the salt water of the sea — is governed by the tides. Discover the...
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The characteristics of each of the three major freshwater ecosystems — a swift stream, a slow river and a lake or pond — are determined, in part, by...
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Explore freshwater wetlands — bogs, marshes and swamps — and the wide variety of life forms they support. Then examine the seasonal and climatic...
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The oceans and seas on our maps are actually united into one enormous, interconnected ecosystem. However, each type of marine organism has certain...
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Spellbinding photography and graphics illustrate the dynamic nature of the atmosphere. This award-winning series chronicles how atmospheric...
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The Bavarian Forest is in the southeastern part of the German Alps near the Czech Republic It is dedicated to the restoration and preservation of the...
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