Source:The building of often comes with a certain amount of controversy. Although is clean, and construction of wind farms generates jobs, many people feel that living near a wind farm is less than ideal. Criticism ranges from the noise of the turbines to the potential hazard the spinning blades pose to birds, to the marring of scenery. Steady winds are also not always consistent on land, as they can be blocked by hills, trees, and buildings. Recently, the development of has been explored as an alternative to wind farms on land.