Renewable energy rebounds strongly in 2014. World clean energy investment, hydro-electric not included, rebounded strongly in 2014, boosted by demand for solar photovoltaics, according to the latest report by Bloomberg New Energy Finance (BNEF). Investment rose 16% last year to $310 billion, compared with $268.1 billion in 2013. This rise was far higher than the 10% expected but investment was still below the 2011 record of $317 billion. By way of comparison, ten years ago, in 2004,...