1 outlet

Denver has a plan to heat and cool buildings without fossil fuels. It involves … sewage?

Like many cities, Denver's largest source of greenhouse gas emissions is its buildings. Heating and cooling skyscrapers requires a lot of fossil fuels. Now, the city is trying a surprising solution.

First seen · 9:00 AM UTCMay 20, 2026

How it's being covered

Methodology →

LeftCenterRight

1Left · 100%0Center-Left · 0%0Center · 0%0Center-Right · 0%0Right · 0%

Covering this story

Sorted left → right

NPR
LeftNational Public Radio
Denver has a plan to heat and cool buildings without fossil fuels. It involves … sewage?Like many cities, Denver's largest source of greenhouse gas emissions is its buildings. Heating and cooling skyscrapers requires a lot of fossil fuels. Now, the city is trying a surprising solution.
9:00 AM UTC

Also happening today

All today →

Animal

World Bee Day

UN-designated on the birthday of Anton Janša, a Slovenian beekeeper. Pollinators are responsible for a third of global food production — bees punch well above their weight.

Open →

Food

The garden strawberry is a hybrid first bred in Brittany, France in the 1750s by crossing a Chilean variety with a North American one. The resulting fruit spread across Europe and eventually produced the modern commercial strawberry. The US now grows 1.4 billion pounds per year, 90% of it in California.