Press Release 6 May 2021 WTTC And Harvard T.H. Chan School Of Public Health Release Two Innovative Case Studies On The Importance Of Sustainability Leadership In Travel & Tourism share this article 1 min London, UK: The World Travel & Tourism Council (WTTC), which represents the global Travel & Tourism private sector, and faculty and scientists of the Harvard T.H. Chan School of Public Health, today release two vital case studies on Sustainability Leadership by The Travel Corporation (TTC) and Intrepid Travel. Advertisements WTTC and Harvard researchers aim to support and hi...