Montreal’s methane emissions are unevenly distributed across the island, with the highest concentrations in the city’s east end, McGill researchers have found. The worst polluters include the city’s largest snow dump, which emits methane at levels comparable to the city's current and former landfills, and natural gas leaks.
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Published on: 16 Oct 2025
Cities are responsible for almost 1/5th of the global methane emissions caused by human activities. But most cities don’t capture information about the full range of sources of this powerful greenhouse gas. In 2020, a team led by McGill University, measured methane emissions from various sources across the city of Montreal.
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Published on: 13 Dec 2022
