Canberra Times: World leaders must adopt a more ambitious approach to clean energy technologies, and end the perverse subsidies that reward utilities for pumping out dirty energy, the World Economic Forum says. In a 300-page report outlining the key challenges discussed at the five-day summit of world political and business leaders in Switzerland, the forum urged governments and investors to create ”a level-playing field” for clean energy. The economic forum called for a global investment of …