| | |  | | |  Do you know the quality of the air that you breathe? Air pollution from both natural sources and human activity can affect humans, plants and animals in many ways. Learn about primary and secondary sources of air pollution, explore how outdoor air quality is monitored by government agencies and see how climate, geography, industry, automobiles and other factors can contribute to the formation of photochemical smog. Does your community face air quality issues? The enormous challenge of regulating and reducing air pollution can be tackled at local, national and international levels. From green roofs to the Clean Air Act to the Kyoto Protocol, improving air quality in one part of the world can have a positive effect the world over. A teacher's guide is included and available online. | | | | | Additional Features & Details
Audio: Dolby Digital Stereo
Features: Chapter Select, Discussion Questions & Activities, Interactive Menu
Technical: Single Layer, Single Sided, Full Screen
DVD Encoding: Region ALL
Language: English, Spanish | | | Grades 5 to 12
Color, Live Action
Closed-Captioned
Copyright 2008
MARC Record Available
Catalog Card Kit Available
Single Main Entry Card Available
Teacher's Guide Available: Download Now
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