Video: Environment

New weapon against bird-strike at airports (1:36) 

Aug. 24 - New Zealand scientists have developed a bird-repelling grass designed to reduce the number of bird strikes at airports. Marketed as ''Avanex'', the grass is infected with a fungus that birds won't eat and is seen as an important new weapon in a fight that costs the airline industry about $1.4 billion each year. Rob Muir reports. ( Transcript )

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