Business Green: The European police agency Europol has today revealed that the fraudulent trade in carbon credits that affected a number of countries over the past few months is far more widespread than previously thought and could have cost EU taxpayers up to EUR5bn in lost revenue over the past 18 months. The agency said in a statement that it believed that in some countries up to 90 per cent of the trading of EU emissions allowances (EUAs) was subject to fraudulent activity. EUA’s which are …