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Experts: Methane pollution

Wide shot of a landfill with smokestacks emitting smoke in the background
Image by Getty Images.
Published: 17 December 2025

TheCanadian federal governmenthas announced new measures to reduce methanepollution.

The greenhouse gas, whichisprimarilyemitted throughfossil fuel extractionandbylandfills, has 80 times the global warming potential of carbon dioxide.

ɬ﷬ experts are available to comment on this topic:

Christopher Barrington-Leighis an Associate Professor with the Department of Equity, Ethics and Policy, the Department ofEconomicsand the Bieler School of the Environment. He can discuss climate economics, including the importance of policy commitments.

chris.barrington-leigh [at] mcgill.ca(English, French)

Mary Kang,Associate Professorof Civil Engineering andCanada Research Chairin Environmental Monitoring and Energy Transition(Tier2),studiesenvironmental impacts of energy systems. Her current projects involve field measurements of methane and air pollutant emissions, as well asanalysis of emissions and energy infrastructure.

mary.kang [at] mcgill.ca(English)

Peter Douglas, Associate Professor and William Dawson Scholar with the Department of Earth and Planetary Sciences, can discuss methane's role as a greenhouse gas and its impact on warming, as well as methane emissions from landfills. He can also comment on our overall understanding of methane emissions sources, in Canada and globally.

peter.douglas [at] mcgill.ca(English)

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