Where Canada’s greenhouse gas emissions come from

Canada's GHG Emissions by Economic Sector 2021
Long description

Canada's GHG emissions by economic sector (2021)

  • Oil and gas: 28 percent
  • Electricity: 7.7 percent
  • Transportation: 22 percent
  • Heavy industry: 11 percent
  • Buildings: 13 percent
  • Agriculture: 10 percent
  • Waste and others: 7 percent

* National Inventory Report 1990-2023: Greenhouse Gas Sources and Sinks in Canada

Note: Emissions totals (99 percent) are rounded.

Source: National Inventory Report 1990-2021: Greenhouse Gas Sources and Sinks in Canada

Economic sectors used to calculate emissions:

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