Ten years ago, An Inconvenient Truth, the groundbreaking, Oscar-winning film about Al Gore and his passionate climate change activism, ended with a simple challenge: Are you ready to change the way you live? [...] directors Bonni Cohen and Jon Shenk went back to the editing room to update their movie with this momentous news. The filmmakers track Gore across the globe, to climate leadership training sessions from Tennessee to Asia, or to the glaciers of Greenland, where he treads on melting ice. Gore gets a chance to silence critics of a scene in the first film, who said he was exaggerating when he projected that ground zero in lower Manhattan could be flooded by rising waters. News footage from Hurricane Sandy in 2012 shows the flooding of the 9/11 Memorial Museum site, then under construction. In Paris, at the climate conference, Gore's energetic dealmaking includes convincing a U.S.