The Noor Solar Power Plant in Sweihan in Abu Dhabi. Over the past five years, the cost of renewable technology has dropped 80 per cent.  Pawan Singh / The National
The Noor Solar Power Plant in Sweihan in Abu Dhabi. Over the past five years, the cost of renewable technology has dropped 80 per cent.  Pawan Singh / The National

Low-carbon investing may be good for the planet, but will it make you any richer?