Founding family of the US oil empire Exxon, begged the company to give up climate denial and reform their ways a decade ago – but attempts at engagement failed

Rockefeller family members voiced concern about the direction of the oil company ExxonMobil
Peter O’Neill, chair of the Rockefeller Family committee (C) sits with Neva Rockefeller Goodwin, economist, and great-granddaughter of John D Rockefeller and Stephen B Heintz, president, Rockefeller Brothers Fund during a news conference in which Rockefeller family members voiced concern about the direction of the oil company ExxonMobil in April 2008 in New York. Photograph: Spencer Platt/Getty Images