A sign in a Toronto building saying Help Conserve Energy - Please Use Revolving Doors

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Size: 6016px × 4016px
Photo credit: © CBW / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: building, buildings, canada, change, climate, conservation, eco, eco-friendly, ecofriendly, emissions, energy, envionmentally, environment, friendly, gas, gases, global, green, greenhouse, ontario, saving, toronto, warming