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    Navigation for Our Changing World

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    Our Changing World for Thursday 20 February 2014

    • Previous Episode: Thursday, 13 February 2014
    • Next Episode: Thursday, 27 February 2014
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    • Fireworks Science

      9:34 PM.Anthony Lealand from Firework Professionals explains the chemistry and physics of fireworks, how they are manufactured, and demonstrates some sounds Read more Audio

      Listen duration 25′ :24″
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      Fireworks Science
    • Freshwater Biodiversity Issues in Canterbury

      9:20 PM.Management of freshwater, including biodiversity on the region's many rivers, are among the issues facing Environment Canterbury's Commissioners. Read more Audio

      Listen duration 11′ :14″
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      Freshwater Biodiversity Issues in Canterbury
    • Conservation on Braided Rivers

      environment

      9:06 PM.The Ashley-Rakahuri Rivercare group is a community effort to look after breeding birds on a North Canterbury braided river. Read more Audio

      Listen duration 14′ :20″
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      Conservation on Braided Rivers
    • Previous Episode: Thursday, 13 February 2014
    • Next Episode: Thursday, 27 February 2014

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