Denver has a plan to heat and cool buildings with — wait for it — sewage

Published on May 25, 2026

This story was originally published by Colorado Public Radio . Sign up for CPR’s weekly climate newsletter. DENVER — Like in many American cities, Denver's largest source of climate pollution is its buildings. Powering, heating, and cooling the city's skyscrapers takes a lot of fossil fuels. Now, the city is…

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