Description

The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The Greenhouse gas concentrations indicator shows the trends in concentrations for 2 greenhouse gases: carbon dioxide (CO2) and methane (CH4). It serves to identify trends and seasonal variability of carbon dioxide and methane concentrations in Canada. Information is provided to Canadians in a number of formats including: static and interactive maps, charts and graphs, HTML and CSV data tables and downloadable reports. See the supplementary documentation for the data sources and details on how the data were collected and how the indicator was calculated. Canadian Environmental Sustainability Indicators: https://www.canada.ca/environmental-indicators

Resources

Name	Format	Description	Link
Carbon dioxide concentration, Canada and global, 1980 to 2024 – English (CSV; 5.6 kB)	CSV		https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/ghg-concentrations/2025/1-carbon-dioxide-concentrations-en-2025.csv
Carbon dioxide concentration, Canada and global, 1980 to 2024 – French (CSV; 5.9 kB)	CSV		https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/ghg-concentrations/2025/1-concentrations-dioxyde-carbone-fr-2025.csv
Methane concentration, Canada and global, 1986 to 2024 – French (CSV; 5,0 kB)	CSV		https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/ghg-concentrations/2025/2-concentrations-methane-fr-2025.csv
Methane concentration, Canada and global, 1986 to 2024 – English (CSV; 4.7 kB)	CSV		https://www.canada.ca/content/dam/eccc/documents/csv/cesindicators/ghg-concentrations/2025/2-methane-concentrations-en-2025.csv
Greenhouse gas concentrations – English	HTML		https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/greenhouse-gas-concentrations.html
Data sources and methods – English	HTML		https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/greenhouse-gas-concentrations.html#DSM
Greenhouse gas concentrations – French	HTML		https://www.canada.ca/fr/environnement-changement-climatique/services/indicateurs-environnementaux/concentrations-gaz-effet-serre.html
Data sources and methods – French	HTML		https://www.canada.ca/fr/environnement-changement-climatique/services/indicateurs-environnementaux/concentrations-gaz-effet-serre.html#DSM

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