We’re in the last week of the climate summit in Brazil, where misinformation and disinformation are a key focus of the conference. It comes against the backdrop of the grim forecast that emissions are not going down quickly enough to avoid climate disaster. We talk to Katharine Hayhoe, Canadian climate scientist and professor in the Department of Political Science at Texas Tech University, about the moment we're in right now in the fight against climate change and whether people are disengaging from the issue.