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  1. Earth Aid: Water Conservation (1994)

    Subject
    Environmental science
    Distribution
    Sale, DVD (Region 0 NTSC, 20 minutes), $8.49

    The amount of water on earth available for use remains the same even as the amount of people on the planet continues to grow. Earth’s water comes from lakes, rivers, streams and ground water (which is...

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  2. Planning for Renewables (1994 Video)

    Subject
    Environmental science
    Distribution
    Free loan, Videocassette. VHS. col. 18 min., Free loan

    The development of renewable energy is being encouraged by creating a protected market under the Non Fossil Fuel Obligation. With developers capitalising on this incentive, local planners must consider a...

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  3. Power in the Land (1994 Video)

    Subject
    Environmental science
    Distribution
    Free loan Sale, Videocassette. VHS. col. 16 min., 1994 sale: £32.90 (inclusive) Free loan

    Shows how modern technology in enabling farms to become power producers by tapping sources of renewable energy. Farmers describe their experiences of generating energy from biofuels (including wood...

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  4. Green Machines / Nitrate in Drinking Water (1994 Video)

    Subject
    Environmental science
    Distribution
    Off-air recording licence Sale, Videocassette. Standard formats. col. 49 min., 1998 sale: £195.00 (+VAT +p&p)

    [See individual programme entries for synopses.]

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  5. Water Quality - Summer School Video (1994 Video)

    Producer
    Iris Rowbotham
    Subject
    Chemistry
    Distribution
    AVAILABLE AS COURSE MATERIAL ONLY, Videocassette. Standard formats. col. 16 min.

    Intended for viewing at the summer school for the T102 course before students complete their water quality exercise. Shows how the quality of a river can be judged using different field tests and how...

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  6. Resources: Aluminium, Cotton and Water (1994 Video)

    Subject
    Environmental science; Technology
    Distribution
    Off-air recording licence Sale, Videocassette. Standard formats. col. 49 min., 1998 sale: £195.00 (+VAT +p&p)

    Examines three areas of natural resource use: the commercial and technical issues behind the recycling of aluminium cans, the processes by which raw cotton becomes a woven fabric, and water as a natural...

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  7. Identification of Filamentous Micro-Organisms in Sludge (1993 Video)

    Subject
    Engineering
    Distribution
    Sale, Videocassette. Standard formats. col. 14 min., 1999 sale: £25.00 (+VAT +p&p)

    A sample of effluent is taken from a sewage works and is prepared for examination under the microscope. Various micro-organisms are identified.

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  8. It Runs on Water (1993 Video)

    Subject
    Physics
    Distribution
    Sale, Videocassette. Standard formats. col. 50 min., 1997 sale: £30.00 (inc. VAT +p&p)

    Looks at the work of American inventors and scientists who are working to extract energy from water and notes that inventors mistsrust scientists and scientists belittle inventors.

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  9. Paper (1993 Video)

    Producer
    Tony Jolly
    Subject
    Environmental science; Technology
    Distribution
    Off-air recording licence Sale, Videocassette. Standard formats. col. 24 min., 1998 sale: £145.00 (+VAT +p&p)

    Paper making requires huge volumes of clean waters, consume large amounts of electricity and generates solid and liquid wastes. Looks in detail at a large modern newsprint mill to show how water and heat are...

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  10. Going with the Flow (1993 Video)

    Subject
    Engineering; Environmental science
    Distribution
    Off-air recording licence Sale, Videocassette. Standard formats. col. 24 min., 1999 sale: £145.00 (+VAT +p&p)

    Water may not be a scarce resource generally in the UK but it nonetheless needs careful management. The Dee River management scheme of the Welsh Water Authority is a fascinating example of such management,...

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