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The Search for Clean Air
 This program presents a clear, forceful, and thorough exposition of the problems of air pollution: its causes; its effects on forests, streams, and human health; and the issues involved in correcting the problems. Narrated by Walter Cronkite, the pro...(more details) |
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$169.95 |
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$169.95 |
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$254.93 |
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$169.95 |
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Nuclear Energy
 This program looks inside a modern nuclear reactor and explores its functions in detail. It also addresses nuclear safety-the various measures intended to diminish the risk of accidents and radioactive emissions. Finally, the program looks at the ste...(more details) |
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$99.95 |
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$99.95 |
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$149.93 |
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$99.95 |
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Waste Disposal
 Household waste can cause pollution of all kinds, but more and more of these wastes can be recycled effectively and economically. The result is reduced pollution and a useful new source of raw materials and energy. Hospital waste disposal presents th...(more details) |
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$99.95 |
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$99.95 |
| DVD + 3-Year Streaming |
$149.93 |
| 3-Year Streaming |
$99.95 |
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Nuclear Technology
Just the term "nuclear energy" makes many people shudder. Yet, though it sometimes escapes human control, nuclear energy is a source of benefits, and could someday even satisfy most of our energy needs. This program takes us to the heart of the atom,...(more details) |
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Energy
Do a runner's energy and the energy used to light and warm us have something in common? This program explains that yes, just like machines, living things consume energy. In nature, the energy of the sun is what nourishes plants, animals, and human be...(more details) |
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