Independent (UK): The world’s energy systems will need an extra $10.5 trillion (£6.3trn) in investment between now and 2030 to reduce dependence on fossil fuels and avoid "irreparable damage to the planet", the International Energy Agency (IEA) warned yesterday. In the run-up to next month’s climate summit in Copenhagen, the IEA’s annual global outlook outlined parallel forecasts — one based on the current trajectory of global energy consumption, the other a lower-carbon model requiring major …