Jennifer Baichwal and Edward Burtynsky, the documentary-making team who explored the visual vastness of Chinese factories in Manufactured Landscapes
, turn their attention to the subject of water and its uses around the world. It’s a gentler, more philosophical, less strident variation on the familiar “outrage doc,” in this case reminding us that the old way ways of using water – in leather tanneries, abalone farms, and the Bellagio fountains in Las Vegas, for instance – may soon be coming to an end. The aerial shots of the dried-up Colorado River delta in Mexico are eerily magnificent, and the doc’s message is unmistakable: we must mend our ways or perish (91 min.).