Earth: The Climate Wars

Dr Iain Stewart traces the history of climate change from its very beginning and uncovers some of the great unsung heroes of climate change science.

Dr Iain Stewart investigates the counter-attack by global warming sceptics in the 1990s. At the Rio Earth Summit it seemed the world was united - but it didn't last.

Dr Iain Stewart looks at how scientists can predict what changes global warming will bring with a journey to the frontline of research today: Greenland.