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Oceanographer says Haida Gwaii iron project has more risk than reward

In a controversial move, roughly 100 tonnes of iron-laden dust was dumped into the ocean in the world's largest geo-engineering experiment ever. Defenders say it will help bring back salmon populations, but critics say it is environmentally risky. Barb Fagetter is an oceanographer based in Prince Rupert. She spoke with Leisha Grebinski.

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