Eco-Business: Global investment in renewables fell by 14 per cent during 2013, but the percentage of electricity generated by renewable sources still grew, a report shows. It said investment fell for the second year in a row because of cheaper technology, but also as a result of uncertainty surrounding energy policy. However, falling costs meant renewables accounted for 8.5 per cent of the global electricity mix, up from 7.8 per cent in 2012. Renewables accounted for 43.6 per cent of newly installed generation...