Author: Ryan M. Katz-Rosene, Associate Professor, School of Political Studies, with Cross-Appointment to Geography, Environment and Geomatics, L’Université d’Ottawa/University of Ottawa

In his very first act as prime minister, Mark Carney did what critics had long demanded — he axed the federal carbon tax. Yet while Carney was the one who dealt the final blow, there were many who aided and abetted in its death. Since it was first proposed nearly a decade ago, the Liberal government’s keystone climate policy, the consumer carbon tax, became the target of both legal and political attacks. Nevertheless, these attacks were held at bay thanks in part to the 2021 Supreme Court ruling that upheld the constitutionality of carbon pricing and the Liberals’ success in…