'' Ice and the Sky '' ( , also known as '' Antarctica : Ice and Sky '' ) is a 2015 French documentary film directed by Luc Jacquet about the work of Claude Lorius , who began studying Antarctic ice in 1957 , and , in 1965 , was the first scientist to be concerned about global warming . The film was selected to close the 2015 Cannes Film Festival
2015 Cannes Film Festival
2015 Cannes Film Festival
Ice and the Sky