electricity / recycled vegetable oil / reduced natural gas consumption / metal electronics / paint / natural gas consumption / /
NaturalFeature
Crater Lake / Grand Canyon / Rocky Mountain / /
Organization
Arizona Department of Environmental Quality / Travel Industry Association of America / U.S. Forest Service / National Park Service / Colorado Department of Public Health / National Parks Conservation Association / American Hotel and Lodging Association / Conde Nast Traveler / Environmental Quality and Utah Department of Environmental Quality / U.S. Department of the Interior / Environmental Protection Agency / /