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?The film features Britain's pre-eminent sceptic Lord Christopher Monckton as he tours the world broadcasting his message to the public and politicians alike. Can he convince them and Murray that there is nothing to worry about?