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  1. Greenhouse (1992 Video)

    Subject
    Chemistry; Environmental science
    Distribution
    Sale, Videocassette. VHS. col. 30 min., 1997 sale: £27.00 (+VAT +p&p)

    Shows an example of the scientific process being used on a problem: observations - the earth’s past temperatures using oxygen isotopes in ice cores; the quantity of greenhouse gases and the increases;...

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  2. Heat is on, The (1996 Video)

    Producer
    Eleanor Morris
    Subject
    Environmental science
    Distribution
    Off-air recording licence, Videocassette. Standard formats. col. 24 min.

    Discovery of the ozone hole over Antarctica in 1984 dramatically changed scientific, public and political opinion because it showed that society was causing significant changes to the atmosphere. The shock...

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  3. Environmental Solutions? (1991 Video)

    Producer
    Tony Jolly
    Subject
    Chemistry
    Distribution
    Sale, Videocassette. Standard formats. col. ?, 1999 sale: £145.00 (+VAT +p&p)

    The greenhouse effect and the ozone hole are two environmental issues caused by the complex chemical interaction of gases in the atmosphere. Carbon and nitrogen oxides from car exhausts and chlorine from...

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  4. Physics: Benefits and Hazards (8 Parts) (1990 Video)

    Subject
    Physics
    Distribution
    Sale, Videocassette. VHS. col. 8 x 30 min.

    1: carbon dioxide and other gases in the atmosphere. Describeds some of the features of current models including uncertanties introduced by could and ocean absorption. 2: introduces nuclear radiation and...

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