Since 2006 the CN Tower has had an 85.2% reduction in Green House Gas emissions.  
(2006 GHG emissions were 5.1 metric tons- 2017 GHG emissions were 0.75 metric tons)

Electricity Consumption chart

Water Consumption chart

Waste diversion chart

Greenhouse Gas Emissions chart

What We Have Done

Upgraded 25 year old inefficient chillers
Retrofit to LED lighting systems
Educated staff, tenants and vendors on energy and water conservation best practices
Converted water cooled refrigeration to air cooled systems
Upgraded to low flow plumbing fixtures
Installed food digesting system to maximize diversion rate

What's Next

Explore elevator regenerative power technologies
Explore renewable power
Conduct feasibility studies in Deep Water Cooling
Eliminate ozone depleting refigerants, R22
Maintain energy and water conservation best practices training
Install and commission a ventilation on demand control system for our production kitchen

The CN Tower is a BOMA BEST® Certified Gold building.

BOMA Best Certified Gold logo

* Government of Canada