To enhance communication towards COP-21 EU delegation in Vietnam awarded climate change competition 2015 Reflecting the evolution of climate change to international politicians Quang Ninh faces environmental challenges and climate change Vietnam participated in the regional climate change project Preparing for the carbon market in Vietnam Only 19% of people in Mekong Delta concerned about the harm of climate change Climate change increases conflicts, floods and famine To perform the legal documents building tasks on hydrometeorology and climate change well Previous 1 [2]