Business Green: Investors are being urged to take advantage of the “exceptional opportunity” presented by the low price of carbon credits after a new report predicted the global carbon market is poised to enter a five year long period of rapid growth as the world’s economy recovers. The report from US-based research firm SBI predicts that while the global carbon market will contract 29 per cent this year to just $84bn it will recover quickly over the next four years, growing at an average of 68 per …