In the Maldives, the government needs to build a $40m seawall around our third-most-populous island, Fuvahmulah, to protect it from coastal erosion.

• 马尔代夫政府需要建立一个价值4000万美元的环岛海堤，以保护其人口稠密度属世界第三的岛屿Fuvahmulah的沿岸免受侵蚀。