Greenhouse gases emitted by various vehicles and opinions of scientists about the greenhouse effcet in Washington DC.
Washington DC USA Date:1986, July 10 Duration:2 min 15 sec Sound:Yes
The greenhouse effect- the scientific concern and its causes global warming discussed in Washington DC. A conference conducted for discussion on the greenhouse effect by scientists. Industries, trains, trucks and various other vehicles emit greenhouse gases in excess which warms the atmosphere. A scientist speaks about the greenhouse effect and the need to reduce emission of certain gases that causes global warming. Views of buildings, thrasher pouring wheats into truck, a city and workers shoveling soil. Another scientist speaks about the need to understand the greenhouse effect. Views of a sunset and a harbor.
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