Speaker Series Presentation, January 25: Toronto's multi-billion project to reduce water pollution

Lou Di Gironimo, General Manager, Toronto Water, gave us a fantastic presentation on January 25, 2022 explaining why a big rainfall can cause Toronto's old combined sewers to overflow untreated into the Lake. There's an ambitious plan to fix the problem at a cost in the billions, involving digging three massive new tunnels, a new hi-tech outfall out in the Lake, plus new pumping and treatment facilities. Construction is underway, but will take many years. A recording is posted at "Recordings of Speaker Series" tab. "Recordings of Speick here to RSVP.

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Native seeds buried under eight metres of soil when the foot of the Don was a marsh long ago are coming back to life at Biidaasige Park. Excavation and construction for the new park exposed ancient seeds to water and sun; they woke up and started growing again.

We learned about this amazing rebirth of native plants at our October 26, 2025 Walk/Talk led by David Stonehouse of the Waterfront Secretariat, with special guests forestry expert Steve Smith of Urban Forest Associates and landscape architect Netami Stuart of Toronto Parks and Recreation. The weather was perfect. It was a great day. Many thanks to our expert speakers, and to the many people that joined us for a scenic Sunday stroll.

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