The director of the Academy Award-winning film “An Inconvenient Truth” wants his new upcoming documentary to fuel the same sense of urgency for improving education that his earlier one did for raising awareness of global warming. Geoff Canada, the president and CEO of the Harlem Children’s Zone, thinks the film will put the power of the media to work to make people care about the failures, and the potential, of education for addressing societal problems. Canada suggests that technology can play a significant role in bringing about such change, and in putting knowledge resources in the hands of students and their parents. But Canada warns that at the current state of investment in ed tech, technology may also be the cause of increased gaps in opportunity and achievement between disadvantaged students and their well-off peers in middle- and upper-class communities.

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