Rio Tinto backs $20M effort to stop killer toad march across Australia

What happened: Rio Tinto (RIO) said it is joining Curtin University in Perth and others to build a "toad containment zone" to stop the poisonous cane toad from reaching the Pilbara region of western Australia. Key numbers: A$28M (US$19.5M) total spending. Why it matters: The effort targets protecting the Pilbara region, where Rio Tinto operates, from the cane toad.

Rio Tinto (RIO) said it is joining Curtin University in Perth and others to build a "toad containment zone" to stop the poisonous cane toad from reaching the Pilbara region of western Australia.

The effort targets protecting the Pilbara region, where Rio Tinto operates, from the cane toad.