Total emissions increased by 1.2%, reaching 15.3 megatonnes and representing the highest total since 2015. The transportation sector was the main contributor to this rise, with a 2.7% increase.

Per capita emissions decreased by 3.8% to 4.9 tonnes of carbon per person.

• The building sector represents 58% of total emissions in Toronto. Building emissions increased marginally (0.1%) in 2024.
• Natural gas consumption decreased across all sectors: residential (down 6%), commercial (down 4%) and industrial (down 3%).
• While electricity consumption increased by 2.2%, the rise of electricity emissions (nearly 28%) was primarily driven by the increase in carbon intensity of the provincial grid.
• Toronto saw a moderate rise of 32% in electric vehicle registrations in 2024, with 26,853 EVs (up 29%) and 9,287 PHEVs (up 43%).
• In 2024, ridership on the Toronto Transit Commission (TTC) agency increased by 6%.
• Scope 3 aviation emissions at Billy Bishop Toronto City Airport decreased by 18% from 77,139 tonnes (2023) to 63,605 tonnes (2024). These aviation emissions, however, are not solely attributable to Toronto, as Billy Bishop serves passengers from the entire region.