Alex Hecht

4 weeks ago | nytimes.com | Cara Buckley |Alex Hecht

Nearly 500 buildings in the state capital get their heat from a clean, renewable source located deep in the ground. Image Kirkham Hot Springs in Boise National Forest. It's pretty easy to get into hot water in Boise. After all, it's in Idaho, a state filled with hundreds of hot springs. The city has tapped into that naturally hot water to create the largest municipally run geothermal system in the country.