3. public procurement
For example,dam,reservoir, transport routes,The spacious River Dam to make storage dam at the front was cut to overthrow used benefits. Small trees or parts that do not will be removed come flooding to death.For example,The creation of a ratchaprapa dam to barrier Khlong Phra saeng which is a branch of the river pum Daung - tharphee to make the flooding of forest where plants density, Later, it's polluted water problem