Ha Long Bay
With an increasing tourist trade, mangroves and seagrass beds have been cleared and jetties and wharves have been built for tourist boats. Local government and businesses are taking note of problems and many measures have been taken to lower tourism affect to the bay environment for sustainable economic growth
Halong Bay, with numerous small mountains placed with sea basins creating distinctive landscapes, has been recognized as a UNESCO world cultural heritage twice. However, the strong growth in Halong Bay has been causing apparent negative impacts on the environment, such as water pollution.