OpinionIt's up to Al Jaber to prove the critics wrong at COP28Oil and gas companies will have the chance to demonstrate good faith on climate questions at the upcoming climate summit in DubaiIn the spotlight: Adnoc chief executive and designated COP28 climate negotiations president Sultan Ahmed Al Jaber attends the recent Petersberg Climate Dialogue in Berlin.Photo: REUTERS/SCANPIXNaomi KlingeHouston