Factual error: Cranes are shown crossing the Himalayas, then a reference is made that the snow melts giving life to the rivers in Asia, but the footage shown is of the Angel Falls in the Amazon Jungle in Venezuela where there is no snow. (00:50:40)
Factual error: The movie is set in Philadelphia, but the bus at the beginning crashes at a crossroad in front of the fast food joint Admiral Submarine, a recognizable location in Brantford, Ontario, where the movie was shot. (00:05:00)