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The Conversation
The Conversation
Environment
Jaana Dielenberg, University Fellow, Charles Darwin University

Australia’s least wanted – 8 alien species and diseases we must keep out of our island home

United States Australia Disease Wikimedia Commons Economy Environment Savannah the Biodiversity Council
Alexander Wild/Wikimedia Commons

This week’s landmark report on the impact of invasive alien species revealed costs to the global economy exceeded US$423 billion (A$654 billion) a year in 2019. Costs have at least quadrupled every decade since 1970 and that trend is set to continue.

Prevention is better than a cure. Stopping pests and diseases arriving and establishing in Australia is not only better for the environment, it’s much cheaper too.

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