Watch MoviestoWatch. Filmmaker Rupert Murray takes us on a journey into the heart of climate scepticism to examine the key arguments against man-made global warming and to try to understand the people who are making them.Do they have the evidence that we are heating up the atmosphere or are they taking a grave risk with our future by dabbling in highly complicated science they don't fully understand? Where does the truth lie and how are we, the people, supposed to decide?