Some of the planet’s richest nations are to hear a warning that a global oil crisis could happen as early as next year. A British businessman will tell world leaders meeting in Switzerland today that it is dangerous to argue that fracking for shale oil and gas can help to avert a global energy crisis. Jeremy Leggett, a former Greenpeace staff member who founded a successful solar energy company, has been invited to the annual World Economic Forum meeting in Davos from 22 to 25 January. The theme of the meeting is The Reshaping of the World: Consequences for Society, Politics and Business. Leggett told the Climate News Network: “The WEF likes to deal in big ideas, and last year one of its ideas was to argue that the world can frack its way to prosperity. […]