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: Surface temperature increases are greatest in the Arctic, which has contributed to the retreat of glaciers, permafrost, and sea ice.