Answer:
Environmental impact: The dam has led to the displacement of over a million people and caused significant environmental damage, including deforestation and loss of wildlife habitats.
Geopolitical concerns: The dam has led to tensions between China and downstream countries, including Vietnam and Cambodia, who are concerned about the impact on their water resources.
Safety concerns: The dam has been criticized for its potential to cause catastrophic floods and landslides, which could affect millions of people downstream.
Economic concerns: The dam has been expensive to build and maintain, and some argue that its benefits, such as increased hydropower and shipping capacity, have been overstated.
Overall, the Three Gorges Dam is controversial due to its significant social, environmental, and geopolitical impacts, which have raised questions about its sustainability and long-term viability.
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