With three months to go until the COP28 United Nations climate talks begin in Dubai, critics have stepped up their condemnation of the decision to put Sultan Ahmed Al Jaber, the head of Abu Dhabi’s state oil company ADNOC, in charge of the conference. What few may realize, however, is that Al Jaber’s ascent to the highest levels of climate diplomacy began 16 years ago, and Edelman, the largest public relations firm in the world, played a crucial role.