Climate change threatens to erode shorelines. Here are 10 of the world's most vulnerable beaches at risk of disappearing. The Thai government had to ban tourists from this beach in 2016. Massive mudslides rocked this area's coastline, causing economic hardship. This country's 1,100 islands are only 1.3 meters above sea level. Five of the 10 deadliest typhoons in the Phillippines have hit here since 2006. The rate of sea-level rise in South Florida has tripled over the last 10 years.