Amendment could see permits held back to reduce surplus following vote later this month
Key parliamentary vote postponed as political wrangling impacts crucial bill
Launch of carbon trading in July offers huge opportunities for UK companies, says business advisory body
Singapore conference opens with warning of trade wars and calls for a global solution to cutting airlines' emissions
Key committee approves carbon trading legislation, clearing way for parliamentary vote
Statement confirms Chinese airlines' non-participation in EU 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