The United Nations Science, Education and Culture Organization has recognized the Sundarbans Conservation Area of Bangladesh as a World Natural Heritage in 1997.
Countless people have survived by hiding forests near the coast, when the 2004 tsunami killed more than 230,000 people in Indonesia, India, Thailand and Sri Lanka.
A rare saltwater dolphin complex has just been found in a mangrove forest in Bangladesh.
Liza Goldberg's work summarizes data from four satellites that track the growth and loss of mangroves, as well as rainfall, agricultural activity, and urban growth.
Saline intrusion, sea level rise or tsunami threatening ... are all threatening safety of coastal areas, including Vietnam.