ExxonMobil has already upped its climate plans, only three months into an activist investor’s campaign to force change inside the company. Engine No.1, is pushing the oil giant to set new goal, net-zero greenhouse gas emissions by 2050. Engine No.1 released a letter reiterating its call for Exxon to overhaul its board of directors by adding four new members who have the expertise to steer the company towards climate neutrality.