Dams in the Philippines provide interesting examples of the relationship between water development, environmental and social impacts, and political consequences. For example, it has been argued by Fred Pearce that in the Chico valley of northern Luzon, the largest island of the Philippines, a dispute over a series of proposed hydroelectric dams became a recruiting ground for a guerrilla war that eventually caused the downfall of President Ferdinand Marcos.

Sources:
o Fred Pearce, The Dammed, pp. 152-156.