Dr. John Robson investigates the unsound origins and fundamental inaccuracy, even dishonesty, of the claim that 97% of scientists, or "the world's scientists", or something agree that climate change is man-made, urgent and dangerous.

 Dr. John Robson looks back on the 10th anniversary of the exposure of the scandalous "Climategate" decision to delete awkward data that contradicted the idea that settled science said we face a man-made global warming crisis.