Canada’s total greenhouse gas emissions rise by about 1% in 2025 to roughly 691 million tonnes of CO2 equivalent, according to data cited by the Canada Climate Institute. The increase comes even as the oil and gas sector’s emissions decline slightly, with the sector maintaining record production levels.
Outlets report that the apparent divergence reflects changes in the energy system. While oil and gas emissions drop—linked to factors such as lower fugitive methane leaks and improved energy intensity—emissions at the national level rise due to greater fossil fuel use in buildings. The increase is attributed in part to residential heating and electricity generation, with one report linking the effect to a harsher winter. Natural gas is described as playing a larger role in heating, leaving overall emissions sensitive to weather and slowing progress toward decoupling building energy use from fossil fuel combustion.
Overall, the coverage emphasizes that reductions within oil and gas do not fully offset higher emissions from the broader economy, particularly the building sector.
