Recent Wall Street Journal article on how the UN’s clampdown of the carbon trading market has rapidly deflated the valuation of an early carbon exchange market maker - EcoSecurities. It’s share price started in Q4 2005 at around 1.50GBP, peaked at around 4.20 GBP in Q3 2007 and has taken a rapid ride down to 0.84 GBP by April 11 2008. Collateral damage: Credit Suisse took a 9% stake (60M GBP) in EcoSecurities when its share price approached the peak.