Renowned photographer Edward Burtynsky bears witness to the mark humans are leaving on the planet. During his 40-year career, Burtynsky has photographed everything from large-scale mining operations in Sudbury to plastic landfills in Nairobi. But he says it all started in St. Catharines, Ontario, when he starting photographing the Welland Canal and a local GM plant and their impact on the area. Burtynsky recently delivered a virtual talk for the Ontario Heritage Trust and spoke with Ideas host Nahlah Ayed about what he's seen, where he's been, and what comes next. Original air date: December 7, 2021.

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