The Three Gorges Dam along China’s Yangtze River is the world’s largest hydroelectric project and is due to be completed in 2009. Widely touted as a feat of modern engineering, the dam was supposed to stop flooding along the river and provide clean energy to fuel China’s economic boom. But it has also gained notoriety as an environmental and human catastrophe. Up the Yangtze is a critically acclaimed new documentary about the social impact of the Three Gorges Dam. We speak with Chinese Canadian filmmaker Yung Chang. [includes rush transcript]