climate change mitigation

Aspen, Colo., taxes its way to a healthier climate

Randy Udall charges more for a ton of carbon dioxide than anybody else in the world. Udall runs a unique, two-and-a-half-year-old program in Aspen and surrounding Pitkin County, Colo., that charges new homeowners up to $100,000 if they exceed the “energy budget” allotted to their property by the local building code. The money collected under […]