(13.1.2016) The conference was so full of good feeling that it almost felt like a Coke commercial. Secretary of State John Kerry, who worked as hard on this deal as anyone, believes it will unleash a wave of clean-energy innovation: „If 150 nations are taking it seriously and setting targets, even if they don‘t make them, that will generate massive investment and a huge amount of private-sector activity,“ he told me before the conference began. „And then you have to hope that somebody comes up with clean-energy technology, which makes it competitive with fossil fuel, and then, boom, you get your low-carbon economy.“