Economist: EUROPES flagship environmental policy has just been holed below the water line. On April 16th the European Parliament voted by 334 to 315 to reject proposals which (its supporters claimed) were needed to save the emissions-trading system (ETS) from collapse. Carbon prices promptly fell 40% (see chart). Some environmentalists fear that the whole edifice of European climate policy could start to crumble.
The ETS has long been troubled. The scheme is the worlds biggest carbon market, trading allowances...