Guardian: I am proud of the legacy of John D Rockefeller, who built the greatest fossil fuel enterprise in history. In his day, fossil fuel was a liberating force it literally changed the face of the earth, freeing many people from toil. The family business is now philanthropy; at the Rockefeller Brothers Fund, which I chair, we use the money made from Standard Oil to advance social change that contributes to a more just, sustainable, and peaceful world.
But the key phrase in the encomium above is in...