Three Gorges Dam Development and Reform Commission of China, 366 grams of coal would produce 1 kWh of electricity during 2006. At full power, Three Gorges reduces coal consumption by 31 million tonnes per year, avoiding 100 million tonnes of greenhouse gas emissions, millions of tonnes of dust, one million tonnes of sulfur dioxide, 370,000 tonnes of nitric oxide, 10,000 tonnes of carbon monoxide, and a significant amount of mercury. Hydropower saves the energy needed to mine, wash, and transport the coal from northern China. From 2003 to 2007, power production equaled that of 84 million tonnes of standard coal, reducing carbon dioxide
Three Gorges Dam from the dam to the main urban area of Chongqing by 2020. However, the municipal government explained that the relocation is due to urbanization, rather than the dam, and people involved included other areas of the municipality. Allegedly, funds for relocating 13,000 farmers around Gaoyang disappeared after being sent to the local government, leaving residents without compensation. The long reservoir flooded some 1,300 archaeological sites and altered the appearance of the Three Gorges as the water level rose over . Cultural and historical relics are being moved to higher ground as they are discovered, but the flooding inevitably covered undiscovered