Climate change is a global issue that significantly impacts everything from natural ecosystems to socio-economic systems, human health, and well-being. In the development process, urban are both agents and the most severely affected objects of Climate change worldwide. Therefore, mitigation and adaptation are two aspects to consider in urban planning and development. One locality in Vietnam severely impacted by climate change and sea-level rise is the Dam Pha Tam Giang area in Thua Thien Hue province. This lagoon is the largest in Southeast Asia and among the largest in the world, with high biodiversity and a wealth of diverse resources. Dam Pha Tam Giang also plays a special role in the socio-economic development strategy for the Central region of Vietnam. The article will include assessing the current state of the Tam Giang Lagoon under the impacts of climate change and proposing principles and solutions for landscape organizations to respond to the risks of natural disasters.