Thirdly, in Thailand the number of tree are still not sufficient. The way to solve is to plantain more tree because tree can absorb carbon dioxide. From now, the industry or condominium is grown up increasingly in Bangkok and they always release co2, it is make the air population. Reforestations that help reduce air pollution and can also be made to reduce global warming. For illustrate, the government should make the organized events for the people to plant mangroves forests. However, losing land for housing and livelihood of the population along the coast. In addition, it is not only causes a good weather but also make a good relationship to society.