Quartz: The 18th Annual Chatham House Conference on Climate Change being held today in London is, for better or worse, sponsored by Shell. As one of the world's leading oil and gas companies, Shell hasn't exactly been a friend to the environment, though the company would point out that it encourages sustainable designs like this football field powered by human energy in Brazil. Environmentalist Bill McKibben, the conference's keynote speaker, used his time at the podium to ream out the event's unlikely corporate...