WASHINGTON, D.C., 2013-05-27 — /travelprnews.com/ — Global non-profit Sustainable Travel International today announced the launch of its Sustainable Destination Leadership Network (SDLN). The SDLN is the world’s first collaboration of its kind for decision makers from tourism authorities. The network brings together forward-thinking tourism destinations committed to meaningful exchange that advances good tourism, which preserves sense of… Read the full press release