Climate science has come under increasing attack, so concerned geologist Simon Lamb set out to follow researchers in the field. They talk about their work, their hopes and fears with a rare candor and directness, resulting in a unique intimate portrait. cast: Name: Paul Majewski Name: Raymond Pierrehumbert Name: Myles Allen Name: Wallace Broecker crew: Name: Peter Barrett Credit: producer Name: Philip England Credit: producer Name: Simon Lamb Credit: director Name: David Sington Credit: director Name: Philip Sheppard Credit: Composer Name: DOX Productions Credit: Production company Name: Simon Lamb Credit: Photography Name: Catherine Fitzgerald Credit: Co-producer Name: David Fairhead Credit: Picture Editor