Emissions by Region
Halton includes the City of Burlington and the towns of Oakville, Milton, and Halton Hills.
4.3 MtCO2eq total 2021 carbon emissions
8% of GTHA emissions
596,637 Population (2021)
8.2% GTHA population
964 km2 land area
4.3 MtCO2eq
Total 2021 carbon emissions
Halton Total Emissions 2016-2021
Halton Total Emissions 2016-2021
Halton 2021 Emissions Breakdown
Halton 2021 Emissions Breakdown


  • Halton Region’s 2021 emissions experienced the biggest bounceback and are close to pre-pandemic levels. A rise in natural gas emissions (20.7%), particularly in the industrial sector, drove this rebound.
  • Building emissions continue to represent over half of Halton’s total emissions.

Innovation in Halton

The Town of Halton Hills launched their Retrofit Halton Hills pilot program, providing up to $75,000 in interest-free loans to help homeowners implement energy efficiency measures such as solar panels and geothermal heat pumps. This program will help the town evaluate interest and prepare for future widespread adoption of energy retrofits.