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"Recommended. Focuses on a wide range of measures used to
conserve natural biodiversity; the examples are clearly presented with
excellent supporting footage." -Science Books & Films Species of plants and animals have become extinct since the beginning of life on earth. But there is every reason to believe that man's destruction of the environment is producing a greater rate of extinction than the world has ever seen. We do not know how many species we can afford to lose. Mankind is part of nature and is ultimately dependent on natural process for survival. Indeed, our global ecosystem may one day cease to act as our support system. In this program viewers see a selection of initiatives in the worldwide effort to conserve biodiversity, including cataloging rain-forest insects, seed banking and restoration of rainforests and salt marshes. 08DR/CC Closed-Captioned IJSCA 30 min. |
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"Recommended. Emphasizes the contributions that science
and technology can make to the creation of a greener world. Science classes
will find the examples cited intriguing." -School Library Journal Mankind appears to be the source of all the most serious pollution threats to the planet and there are few branches of man's activity that do not contribute to the problem. There is no simple overall solution to reducing the pollution of our planet, but there are many small solutions. This program looks at many of them: a quick and easy way of assessing soil pollution; energy efficient power stations and traffic systems; farming in sympathy with nature; reducing pollution in manufacturing processes and waste disposal. 07DR IJSCA 30 min. |