 Since the Industrial Revolution sparked the widespread burning of fossil fuels, scientists have concerned themselves with the climatic effects of carbon dioxide. This program spotlights milestones in the history of that research as it seeks to understand humankind’s impact on Earth’s atmosphere. The greenhouse effect, global warming, ozone depletion, the Keeling Curve, the Atlantic Conveyor Theory, and other key concepts are illustrated through the contributions of Jean-Baptiste Fourier, John Tyndall, Svante Arrhenius, Charles Keeling, Joe Farman, James Hansen, Richard Alley, and Wally Broecker. (28 minutes)
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Item#: BVL30070
Copyright date: ©2000
DVD ISBN 978-0-7365-6453-3
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Is There a Crisis? Biodiversity in Decline
The most striking feature of life on Earth is its richness and variety. But research shows that the planet's biodiversity is seriously threatened with destruction by human activities. From the depths of the oceans to the tops of rainforest canopies, ...(more details) |
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$169.95 |
| DVD + 3-Year Streaming |
$254.93 |
| 3-Year Streaming |
$169.95 |
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The Impact of Global Warming
Earth's temperature is on the rise-and so are incidents of severe weather and heat-related health problems. This program travels the world to observe how global warming, accelerated and exacerbated by air pollution, is affecting society. Coastal eros...(more details) |
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$149.95 |
| DVD + 3-Year Streaming |
$224.93 |
| 3-Year Streaming |
$149.95 |
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Why Is There a Crisis? Environmental Exploitation
Extinction is a natural process, and five times in the dim reaches of Earth's long history it has happened on a huge scale. Now, due to human activities, another mass extinction has been set in motion-and it is unfolding at an unprecedented speed. Th...(more details) |
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$169.95 |
| DVD + 3-Year Streaming |
$254.93 |
| 3-Year Streaming |
$169.95 |
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Rainforest Biomes
At one time, lush, steaming jungles covered much of the planet's land mass. Through this program, students can expand their understanding of rainforests and how their inhabitants live. Special attention is given to the threats to these incredibly ric...(more details) |
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$99.95 |
| DVD + 3-Year Streaming |
$149.93 |
| 3-Year Streaming |
$99.95 |
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Using Natural Resources Wisely
The responsible use of the world's dwindling supply of natural resources is everybody's business. In this program, experts from industry and academia provide background on energy conservation, while real-world examples prompt viewers to use natural r...(more details) |
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$99.95 |
| DVD + 3-Year Streaming |
$149.93 |
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$99.95 |
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