Total emissions increased by 1%, exceeding 8 Mt and nearly reaching 2019 levels. The building sector was the main driver of this increase (up 1.6%).

Per capita emissions decreased by 2%, reaching 6.4 tonnes of carbon per person.

• Natural gas consumption in the region decreased over 4%, mainly due to a warmer winter (2024 had 3% fewer heating degree days). Reductions were observed across the residential (down 6%), commercial (down 2%), and industrial (down 1%) building sectors.
• Electricity consumption increased by 4.6%, the highest increase across the GTHA. Along with the considerable rise in the carbon intensity of the provincial electricity grid, electricity emissions increased by nearly 31%.
• Transportation emissions had a marginal change (up 0.3%).
• York saw a moderate rise of 37% in total electric vehicle registrations compared to 2023, with 25,994 EVs (up 36%) and 6,156 PHEVs (up 41%).
• In 2024, York Region Transit saw a 12% increase in ridership.

• Transportation emissions are now the primary source of emissions across most municipalities in York Region. This is a shift from 2023 trends. However, in Markham, Newmarket, and Aurora, buildings continue to be the largest source of emissions.
• Natural gas emissions decreased across all cities by an average of 4%, largely due to a milder winter. Newmarket (down 7%) and Richmond Hill (down 6%) had the largest decreases.
• Transportation emissions increased in Whitchurch-Stouffville (up 5%), Georgina (up 3%), and King and Richmond Hill (up 2%). In contrast, emissions decreased in Newmarket (down 5%), Aurora (down 4%), East Gwillimbury (down 1%). Vaughan's transportation emissions changed minimally.
• York Region saw an increase of 37% in total electric vehicle registrations compared to 2023. East Gwillimbury led with a considerable 48% growth, followed by Whitchurch-Stouffville (43%), Georgina (42%), and Aurora (39%).