Where can I find out the cost of ExxonMobil’s new local weather technique? Darren Woods made some revealing remarks this week about global warming. His ruminations matter in America’s oil business because he’s the boss of ExxonMobil, the biggest Western oil company. His agency has traditionally been much less enthusiastic than rivals about taking local weather change critically. However, a shareholder revolt finally positioned three green-tinted administrators on its board. That has put stress on the Texan firm’s administration to curb emissions with extra ambition.