2017 is the International Year of Sustainable Tourism for Development. This year is an opportunity to promote tourism's role in 5 key area: Inclusive and sustainable economic growth; social inclusiveness, employment and poverty reduction; resource efficiency, environment and poverty reduction; cultural values, diversity and heritage; mutual understanding, peace and security.
You can find out more information about the importance of this year at the World Tourism Organisation website.
The JCU Library has some excellent resources about sustainable tourism. An eBook of interest is: Sustainability in Tourism: A Multidisciplinary Approach by Ian Jenkins and Roland Schoder.