Hanoi, Aug. 24 -- The Department of Culture, Sports and Tourism of Da Nang, in cooperation with the Swiss Tourism for Sustainable Development (ST4SD) project, has officially launched Da Nang Green Stay, a set of criteria for green tourism accommodation facilities with the message of green practices - elevating destinations. The criteria, which draw on standards set by the Global Sustainable Tourism Council (GSTC), have been designed to support the city's tourism development and its goal of becoming a green, high-quality and sustainable tourism hub in central Vietnam. The criteria comprise 219 green standards covering environmental protection, human resources and training, green consumption, visitor experiences, energy efficiency, low-carb...