We are proud to integrate best practices for sustainability, energy and water efficiency across our portfolio and are committed to minimizing our environmental impact even further. We have established aggressive company targets across five categories — greenhouse gas emissions (GHG), energy, water, waste, and green building certifications and have set a goal of net zero carbon emissions target by 2050.

Our Environmental Targets

100%

Of eligible buildings earn/
maintain green building 
certifications by 2025  >  Early Achievement 

10%

Reduction in water 
intensity by 2030  >  Early Achievement

50%

Reduction in site energy 
intensity by 2050  >  On Target

Net Zero

GHG intensity by 2050  >  On Target

Awards/Programs

us green building council

100%

of portfolio certified 
LEED Silver or higher

100%

of operating portfolio
WELL Health-Safety Rated

energy star

87%

of operating properties 
ENGERY STAR certified 

2021

Active Participant
NYC Carbon Challenge

Data as of December 31, 2024; reflects 100% of all properties, including those held through joint venture partnerships or managed by Columbia for third parties. ENERGY STAR and LEED percentages certified are based on square feet.