Ozone layer

Regulatory information, depletion, impacts, climate change and protection of the ozone layer.

Services and information

Regulatory information

Federal halocarbon regulations and other ozone depleting substances

Federal halocarbon regulations, 2003

Content, revisions, permits, reports and fact sheets.

Substances and halocarbon alternatives regulations

Permits, fact sheets and meeting note ODSR 1998

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.

Useful links

Industry standards organization, United Nations.


Educational and public awareness products aimed at children.

Contact information

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