Canada’s official greenhouse gas inventory

Every year, Canada prepares and submits a national greenhouse gas (GHG) inventory to the United Nations Framework Convention on Climate Change (UNFCCC). The report covers:

• anthropogenic (human-caused) emissions by sources and removals by sinks
• annual emissions estimates dating back to 1990

Inventory information: Canada

• Greenhouse gas sources and sinks in Canada: executive summary 2022
• National inventory report 1990–2020: greenhouse gas sources and sinks in Canada 2022
• Greenhouse gas data and other information
• About Canada's greenhouse gas inventory
• Canadian Environmental Sustainability Indicators: Greenhouse gas emissions
• Canadian Centre for Energy Information: Greenhouse gas emissions — National Inventory Report (NIR)
• Share your thoughts and knowledge: Canada’s greenhouse gas inventory

Inventory information: international

United Nations Framework Convention on Climate Change

• United Nations: Climate Change
• National inventory submissions 2022
• UNFCCC reporting guidelines on annual inventories

Intergovernmental Panel on Climate Change

• 2019 Refinement to the 2006 Intergovernmental Panel on Climate Change (IPCC) Guidelines for National Greenhouse Gas Inventories
• 2013 Supplement to the 2006 Guideline for National Greenhouse Gas Inventories Wetlands (Wetland supplement)
• 2006 IPCC Guidelines for National Greenhouse Gas Inventories