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Few would argue that the City of Toronto’s goal of reducing building-related carbon emissions to zero by around 2030 is a worthy, though challenging, goal. Built form, after all, accounts for about 40% of all greenhouse gases. But how do we know when a building has actually stopped emitting carbon? And what does net zero really mean? In a jurisdiction with relatively clean electricity, one answer seems straightforward enough: heat only with electrons; don’t build in a field in the middle of nowhere; use construction materials that sequester instead of consume carbon. But we don’t live i...

LORINC: The vital need to renew Tower Renewal Almost exactly a year ago, a team of American affordable housing experts from the Urban Land Institute came to Toronto to offer up ideas for breaking the logjam on retrofitting our huge portfolio of aging slab apartment buildings that collectively provide reasonably priced accommodation for hundreds of thousands of people. They spent a few weeks studying this far-flung assembly of buildings, some privately owned and others run by Toronto Community Housing. Then, at a well-attended and upbeat session at the Munk Centre, the group offered solutions,...