Hoping to clean the air for better views from mountains, 16 ski resorts have transformed 100 percent of their power to green energy sources including wind, hydroelectric, solar, bio-mass and geothermal. (AP via CNN)
Hoping to clean the air for better views from mountains, 16 ski resorts have transformed 100 percent of their power to green energy sources including wind, hydroelectric, solar, bio-mass and geothermal. (AP via CNN)