Which documentary was released first, Walking with Cavemen or Life in the Freezer?
Walking with Cavemen Walking with Cavemen is a four-part television documentary series about human evolution produced by the BBC in the United Kingdom. It was originally released in April 2003. It was subsequently presented in the United States as a two-part series by the Discovery Channel and its affiliates. There was an accompanying book of the same title.
Five Ways to Save the World Five Ways to Save the World is a British documentary film on environmental issues related to climate change, released in 2006. The film was made by Karen O'Connor, for the big screen and was shot in the English language to reach an international audience. It includes interviews with five environmental scientists and experts including Paul Crutzen, James Roger Angel, John Latham, Ian Jones, and Klaus Lackner.