Of the Primary reports that the Intergovernmental Panel on Climate Change publishes every four to six years, the mitigation report, focused on what can be done and what’s holding climate action back, only gets more important with every cycle. While the latest mitigation report states clearly that politics and corporate power are the only real impediments to action — not a lack of scientific evidence, technological or policy options, or even money — IPCC authors declined to engage with this problem both in the press conference for the report and in the report’s summary for policymakers. Now, a week after the report’s release, here comes a paper revealing that the IPCC itself has been the target of U.S. vested interests since its inception.

In 1988, climate scientist James Hansen gave a stark warning to the U.S. Senate, testifying, “It is time to stop waffling so much and say that the evidence is pretty strong that the greenhouse effect is here.” Later that year, the IPCC […]