“If President Trump refuses to lead, Americans will,” the call to action reads, encouraging viewers who want to fight climate change to use “your choice, your voice, your vote.” Feel-good cheers in the audience abounded, but in my seat, I was seething over the truth that was conveniently omitted from the new sequel to An Inconvenient Truth: that the most significant thing we as ordinary individuals can do every day to fight climate change is to adopt a plant-based diet. Al Gore himself went vegan in 2014, but aside from a split-second where he mentions that “agriculture is another major cause” of CO2 emissions, the subject is entirely left out of the film.