Site for Canada’s Underground Nuclear Waste Repository to Be Selected Next Year

Site for Canada’s Underground Nuclear Waste Repository to Be Selected Next Year
Nuclear Waste Management Organization senior transportation engineer Ulf Stahmer explains transportation signage for waste uranium during a tour of NWMO's facility in Oakville, Ont., on Dec. 12, 2023. The Canadian Press/Frank Gunn
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A critical milestone is on the horizon for Canada’s 175-year-long plan to bury its nuclear waste underground, with two pairs of Ontario communities set to decide if they would be willing hosts.

Late next year, the Nuclear Waste Management Organization plans to select the site for Canada’s deep geological repository, where millions of bundles of used nuclear fuel will be placed in a network of rooms connected by cavernous tunnels, as deep below the Earth’s surface as the CN Tower is tall—if the process goes according to plan.