Climate shift sending weeds south

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Updated October 6, 2008 09:44:47

Australia's peak scientific body the CSIRO has found that climate change may be causing weeds to migrate south. Principal research scientist John Scott has just finished a study looking at more than 40 species of weeds, and says they're infesting new areas, putting the environment and agriculture at risk.

Presenter: Lorna Perry
Speaker: Principal research scientist John Scott, CSIRO Entomology

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