Reuters: A ballooning global supply of carbon offsets could flood the European Union’s emissions market and dent prices, according to a report to be published next month by Britain’s Carbon Trust. EU member states, lawmakers and the EU executive Commission are in negotiations now to revamp the bloc’s emissions trading scheme (ETS) from 2013-2020, and face a mid-December deadline. The EU ETS is the cornerstone of European climate policy. It distributes to industry a fixed quota of carbon …