For inquiries about:
The Government of Alberta
Alberta Environment and Protected Areas

12th Floor, Baker Centre
10025 - 106 Street NW
Edmonton, Alberta T5J 1G4
For inquiries about:
Alberta Emissions Offset Registry (AEOR) or the Alberta Emission Performance Credit (EPC) Registry
Alberta Carbon Registries operated by CSA Group 
Toll-Free: 1 800 463 6727

GHG Registries
178 Rexdale Blvd.
Toronto, ON
Canada M9W 1R3