Emissions Trading Scheme

Majority of MEPs vote in favour of plan to restrict supply of EU carbon allowances from 2013

Measures could be taken to reduce oversupply in the market when Denmark takes on six-month EU leadership from January

Letter to Commission argues permits should be held back to boost cap-and-trade system after carbon plummets to €6.30 a tonne

Republican efforts to block US airlines' involvement in EU emissions trading reach the Senate

Official confirms final ruling on whether it is legal to make airlines join emissions trading scheme will be made on 21 December

Analysts say record lows could worsen if Eurozone debt crisis escalates

Alan Whitehead MP investigates the government's definition of what constitutes a green tax

Chair of Energy and Climate Committee says the tax could be used to encourage compliance with EU efforts to cut aviation emissions

Ahead of critical talks and despite pledge for new treaty by 2012, biggest economies privately admit likelihood of long delay

Trade body chief says action could be taken before the end of the year