The world now invests almost twice as much in clean energy as it does in fossil fuels, according to a report by the International Energy Agency (IEA), but there are major imbalances in investment, and emerging markets (EM) outside China account for only around 15% of global clean energy spending. The report found that investment in solar PV now surpasses all other generation technologies combined. Also the integration of renewables and upgrades to existing infrastructure have sparked a recovery in spending on grids and storage. Global energy investment is set to exceed $3 trillion for the firs…