GSTC Criteria Consultation Underway The required bi-yearly review of the GSTC Criteria has begun, but there is still time to provide your feedback. Read More. David Brown2017-03-04T16:43:56+08:004月 4th, 2011| Share This Story, Choose Your Platform! FacebookTwitterLinkedInEmail Related Posts GSTC participated in the 9th Sustainable & Social Tourism Summit 5月 28th, 2025 Impact Evaluation of GSTC Certification: Insights from the Türkiye Sustainable Tourism Program 5月 23rd, 2025 Barceló Hotel Group Joins GSTC 5月 22nd, 2025