Business Green: The International Energy Agency (IEA) has given one of the clearest signals to date that it expects renewable to dominate the global energy complex over the coming decades, with the release of new figures that predict solar energy could account for between 20 and 25 per cent of electricity production worldwide by 2050. The agency today released two new roadmaps for the Solar Photovoltaic (PV) and Concentrated Solar Power (CSP) sectors at the Mediterranean Solar Plan Conference in …