Former United States climate ambassador John Kerry sees energy transition as a great opportunity for the economy and investors. +Get the most important news from Switzerland in your inbox "It is the biggest economic transformation since the industrial revolution," he told the Building Bridges sustainability conference in Geneva. + Swiss finance sector told to ‘green’ up its act The former US Secretary of State is not giving up on the fight against climate change despite recent political developments in his home country. "I'm frustrated and a little angry that politicians are simply allowing us to carry on as before. We have to stop doing that." And yet he is cautiously optimistic about the economy. "The CEOs I spoke to last week at Climate Week in New York all talked about major investments in sustainability." + Is sustainable finance wishful thinking? Kerry sees the financial industry as an important key to the transformation: "We need to show investors that they can make money ...