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Bill Holdsworth

Stories

  • Motorway of the futureSubscription

    1 August, 2002Updated: 19 February, 2009

    Roads - New design approach

  • Flower power and heavy metalsSubscription

    28 September, 2000Updated: 19 February, 2009

    Flowers and plants can help clean chemicals out of water and soil, reports Bill Holdsworth.

  • Hot road technology quadruples runway lifeSubscription

    28 September, 2000Updated: 19 February, 2009

    DUTCH 'HOT ROAD' technology is to be tried out at Schipol Airport this autumn on a 200,000m 2government-funded demonstration project that could extend the life of runway asphalt by up to 20 years.

  • Vegetables clean up mine metalsSubscription

    1 August, 2000Updated: 19 February, 2009

    A US study is increasing understanding of how common garden plants such as carrots, spinach, radish and mustard absorb heavy metals. Bill Holdsworth reports

  • Vegetables clean up in LeadvilleSubscription

    1 July, 2000Updated: 19 February, 2009

    A US study is increasing understanding of how common garden plants such as carrots, spinach, radish and mustard absorb heavy metals. Bill Holdsworth reports.

  • Cleaning power Electro-reclamation of land contaminated by chlorinated hydrocarbons is finding favour in The Netherlands, reports Bill Holdsworth.Subscription

    1 May, 1999Updated: 19 February, 2009

    Since the industrial revolution man has been contaminating soil and water with poisons from a multitude of sources. The extent of worldwide environmental contamination is staggering and as pressure upon resources increases there is no time for the natural processes of remediation and soil recovery to occur.