Climate Change Summit: Bill Gates plots a surprise attack on the energy sector

Bill Gates grows most animated when the talk turns to the “cool” new energy technologies that have yet to leave the lab.
Bill Gates was a rare civilian sharing the limelight alongside presidents and prime ministers at the opening session of Paris climate talks on Monday.
Offstage, in a barren conference room, he excitedly described the possibility of generating energy through the long-speculated process of artificial photosynthesis, using the energy of sunshine to produce liquid hydr