Sustainable Travel International (EIN: 37-1461679) is a nonprofit organization dedicated to educating travel and tourism providers on minimizing their ecological, social, and cultural impacts while promoting economic benefits for local communities and host countries. With an operating budget of $1.1 million and total revenue of $1.2 million for the filing year 2016, the organization relies on multiple funders, none of which contribute 50% or more of its revenue. For more information, visit sustainabletravel.org.