COP27 kicks off Sunday in Egypt, where countries will dig into climate finance, reparations and impactful green commitments at the annual UN summit. POLITICO\u2019s Zack Colman recaps where things stand after last year's climate conference and the major upcoming themes to expect in this year\u2019s negotiations. Plus, a new report from the Government Accountability Office rebuked EPA and DOE over its small refiner biofuel exemptions.