How sewage can be used to heat and cool buildings ^56.4%

Colorado Public Radio - By Isabella O'Malley, Brittany Peterson (The Associated Press) - 12/20/2025, 11:00 AM

By Isabella O'Malley and Brittany Peterson, Associated Press When a massive event center was being developed in Denver, planners had to contend with two existing 6-foot (1.8 meters) wide sewer pipes that emptied into the river, creating an unsightly dilemma. Developers wanted to bury them. The utility said the wastewater needed to vent... more