Investor Daily: The amount of global capital needed for investment in renewable energy and infrastructure between now and 2030 stands at $25 trillion, according to a climate change expert. Around $210 billion a year is needed to invest in technology that will produce alternative energy sources to traditional fossil fuels, Protiviti global director for climate change Adam Kirkman said. About 86 per cent of that funding must come from the private sector, according to the expert. Kirkman …