Emissions Trading Scheme

Latest move likely to heighten transatlantic tensions over charges for emitting CO2

Government body orders all domestic airlines and large airports to monitor CO2 output ahead of possible national registry

MPs warn policy will push polluters overseas and call on government to embrace European-wide efforts to boost carbon price

Consultation to set out series of market-based solutions for tackling bloc's shipping emissions

Analysts warn prices are likely to remain in doldrums for 12 months as certified emission reduction credits reach €3.32 a tonne

The price of complying with aviation emissions trading scheme is the same as half a chocolate bar – and other lessons from the week

Seven provinces and cities told to make final preparations in bid to help China reduce carbon intensity 17 per cent by 2015

Airline insists modest levy is needed to cover €15m cost of complying with EU emissions trading scheme

Western Climate Initiative market expected to overtake established Regional Greenhouse Gas Initiative, doubling volumes traded

But falling prices mean global market is worth just four per cent more than in 2010