Summary: Freon was a refrigeration breakthrough in 1928. It took 45 years for scientists to recognize its dangers, and another 15 for the international community to enact a worldwide ban on all CFC gases. This program illustrates that long process of problem-solving and political action, focusing on the work of Nobel-winning chemists F. Sherwood Rowland and Mario Molina and how their discoveries led to...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2006
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Summary: The weather-a phenomenon clearly beyond human control!-is nevertheless a topic of fascination to people the world over. A combination of high-quality film footage and detailed animations, this collection of 48 video clips (30 seconds to 2 minutes each) discusses Earth's atmosphere, precipitation, meteorology, climates, the environment, and pollution. Video clips include: Earth's...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2011