Business Green: After wind and traditional photovoltaic technology, concentrating solar power (CSP) is now the third multibillion-dollar clean power sector, according to a study from industry players and environmental group Greenpeace. Launched this week, the Global CSP Outlook 2009 study sets out an ambitious case for the potential of the technology, which its backers claim could meet up to seven per cent of the world’s projected power needs by 2030 and potentially 25 per cent by 2050. "We …