Watch Free Online HD Moviesjoy. Climate change is a real problem in our world. Having discussions about it can get us that much closer to solving the problem. Emma Mautz went on a cross-country trip in summer 2019, and interviewed people about climate change. These interviews form her documentary, “A Discussion on Climate Change,” which brings people across the country together into one conversation. This documentary was made to spread awareness about climate change, one of the biggest issues our society faces today.