claim: "However, a single scientist, Dr. Ben Santer of Lawrence Livermore National Laboratory, rewrote the draft at the IPCC’s request, deleting all five statements, replacing them with a single statement to the effect that a human influence on global climate was now discernible, and making some 200 consequential amendments.
evidence: For example, limiting global warming to 1.5 °C relative to pre-industrial levels reduces climate change damages more than a 2 °C limit.