EurActive: EU carbon prices briefly slid 40% to a record low after politicians opposed plans to support the market, raising concerns prices could hit zero and sending a warning to European governments to pull together in lowering carbon emissions. Prices in the EU's Emissions Trading System (ETS) on Thursday (24 January) dropped to 2.81 a metric tonne after a vote in the European Parliament's energy and industry committee opposing a scheme known as "backloading" - or supporting prices by extracting allowances...