Guardian: With politicians crowing while the greens cry foul, what’s the real outcome of Europe’s climate deal? The buying and selling of permits to pollute – the EU Emissions Trading Scheme – is meant to be the main mechanism by which Europe drives down its greenhouse gas emissions. But today’s pact changes this. The ETS has had a rocky start since its launch in 2005 and its impact has now been further watered down. In fact, the rules have been drafted with such complexity that it is virtually …