Emission reduction has become nothing short of a mantra these days. Carbon dioxide still receives the most attention, although methane has also been getting headlines lately as the powerful greenhouse gas that it is. So Big Oil has been forced to make emission cut commitments. But they won’t be enough. Big Oil majors have been vocal about climate change and their ambitions to help arrest global warming lately. One after another, Europe’s Big Oil has declared emission-related plans that many have seen as more of a reputation management effort than a real commitment. So Carbon Tracker, the nonprofit that researches the effect climate change is having on financial markets, ranked them. Unsurprisingly, the European supermajors did better than the U.S. supermajors, but not all of them–at least according to Carbon Tracker’s set of what it calls Hallmarks of Paris Compliance. But even they did not all do equally well. […]