The Eco-Music Festival will take place at Colorado’s Snowmass Village from June 30 to July 3. The event pledges to be carbon neutral and hold appeal for both eco-enthusiasts and music fans. The festival also will host the EcoClimbit Challenge, a 3,000 vertical-foot competitive mountain climb, among other activities. As for performances, Leftover Salmon, Tea Leaf Green, RJD2, Perpetual Groove, New Mastersounds and Stokeswood are all confirmed with many more artists yet to be announced, including the festival headliner (which will be revealed on May 29). Tickets are now on sale, with details at the Eco-Music Festival site.