While the Three Gorges Dam has many helpful oppurtunities for China, it has many environmental and economical drawbacks. There have been millions of people forced to relocate to new homes because the massive dam. Also, the dam went way over the budget that the Chinese Government origanlly set for it. There have been good impacts thoughs such as the energy and power it has given to China.
Some negative drawbacks are the fact that so many people have gotten relocated. Not only have the original people had to leave, but more and more people are being relocated due to massive landslides and banks collapsing. Also, the reservoir is very polluted which is casuing warmer water temperatures. Also the cost to build the Three Gorges Dam was very high.
The posiitves of the Three Gorges Dam are the energy it has harnassed. It has solved an energy crises that was in much need of a solution. During the flood season, the dam can harnass as much energy as 14 nuclear powerplants. Also, the energy produced will even out the price of the original dam.