Ozone layer
Regulatory information, depletion, impacts, climate change and protection of the ozone layer.
Services and information
Federal Halocarbon Regulations, 2022
Content, revisions, permits, reports and fact sheets
Ozone-depleting Substances and Halocarbon Alternatives Regulations
General information on the Regulations
Depletion of the ozone layer and its impacts
Ozone layer, depleting substances, health and environmental effects
Ozone depletion and climate change
Hydrofluorocarbons and greenhouse gas
Measures to protect the ozone layer
International, national and provincial conventions and protocols