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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 |
| DVD + 3-Year Streaming |
$254.93 |
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$169.95 |
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Alternative Power Sources and Renewable Energy
 This program demonstrates how wind turbines, solar cells, hybrid automobiles, and coal gasification plants are beginning to transform the way the world is powered. The U.S. Secretary of Energy, the director of the National Wind Technology Center, the...(more details) |
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$129.95 |
| DVD |
$129.95 |
| DVD + 3-Year Streaming |
$149.93 |
| 3-Year Streaming |
$99.95 |
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Meltdown
At Chernobyl, the world came as close as it ever has to nuclear disaster. In this program, experts explore the technical causes behind three major nuclear accidents-Windscale in Britain, Three Mile Island in Pennsylvania, and Chernobyl-and trace the ...(more details) |
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New Energy Sources
As the need for energy increases while carbon and petroleum are known to be running out, the search is on for cleaner and safer fuels. This program looks at the pros and cons of natural gas as well as at tidal energy, which is renewable and does not ...(more details) |
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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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