France is exploring ways to rein in private-jet flights amid a growing backlash over the wealthy’s use of high-emitting planes to travel the distance of a car or train journey. Clement Beaune, France’s transport minister, said President Emmanuel Macron had given him the green light to come up with a plan for further regulating and possibly taxing the use of private jets as the French government ramps up its push to fight climate change. “Behaviors will need to change, and they are changing already,” Mr. Beaune told French TV station France 2 Thursday. “At the national level as well as at the European level, we can think about systems either of taxation or of regulation.” France is among the first countries in the world to look at measures to curb private-jet use. The country has suffered record-setting heat in recent weeks , as well as raging wildfires and drought. […]