Sunday is Earth Day, and as a result, Hollywood is offering such nature-oriented entertainment choices as the Disney ape documentary Chimpanzee and the IMAX short film To the Arctic 3D. But a third and decidedly more indie option is One Day on Earth, a grassroots documentary that compiled more than 3,000 hours of footage from every country in the world and whittled it down to a 104-minute movie. The footage was shot by more than 19,000 amateur and professional filmmakers during the course of a single day: October 10, 2010. And now the film will be screening this Sunday at select theaters in more than 160 countries.

If this all sounds familiar, last year’s Ridley Scott-produced documentary Life in a Day pulled off a similar feat by gathering video shot by YouTube users. But One Day on Earth, the brainchild of first-time filmmakers Kyle Ruddick (director) and Brandon Litman (executive producer), was initially set in motion four years ago. And unlike Life in a Day, which was backed by YouTube and Scott Free Productions and was distributed by National Geographic Films, Ruddick and Litman turned to nonprofit partners including the United Nations and World Wildlife Fund.

I’m a big fan of Life in a Day, but I see no reason why we can’t have two of these crowdsourcing “Earth in a single day” films. And if this Beirut-scored trailer is any indication, One Day on Earth seems to have the goods. Check out the trailer below:

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