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National Capital Commission considering artificial freezing for Rideau Canal
NCC says refrigerating the busiest stretch could triple skating days and help offset warmer winters that have left the canal closed.
On Friday, the National Capital Commission announced it is considering artificially freezing a 900-metre stretch of the Rideau Canal using refrigeration pipes to combat climate change effects.
Unseasonably warm winters have made the UNESCO World Heritage Site's skating season increasingly unreliable; the canal opened for just 10 days in 2024 and failed to open entirely in 2023.
NCC chief operating executive officer Tobi Nussbaum said a feasibility study recommends using refrigeration pipes in a concrete slab, which could triple the number of skating days.
Though the project is expensive and beyond the NCC's current budget, Nussbaum emphasized that refrigerating the section between the Corktown Footbridge and National Arts Centre preserves the iconic skating tradition.
Implementation could not occur until the early 2030s, while projections show the skating season could shrink to fewer than 20 skating days by the 2050s unless emissions are reduced.