World losing high-stakes fight against invasive species

Invasive species that wreck crops, ravage forests, spread disease, and upend ecosystems are spreading ever faster across the globe, and humanity has not been able to stem the tide, a major scientific assessment said Monday.

Alien invasive species in Australia

Since the break-up of Gondwana, Australia's biodiversity has evolved mostly in isolation from the rest of the world. Many of our species are unique to Australia.

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