Aspen, Colorado is the newest U.S. city to run on 100 percent renewable energy. Only two other cities in the U.S. hold this status. The goal is just one component of its larger strategy to reduce both operational and community-wide greenhouse gas emissions.

Aspen is one of three U.S. cities to run on 100 percent renewable energy as of today, according to city officials. The Colorado mountain town is best known for its posh ski resorts, but this beautiful town also has established itself as a leader in environmental stewardship.

The city had been using about 75 to 80 percent renewable energy until Thursday when it signed a contract with wholesale electric energy provider Municipal Energy Agency of Nebraska, in order “to achieve this final leg of […]