Pollution

Refrigerant producers threatening to release huge amounts of HFC-23 after ban on trading credits generated by destroying the gas

Commission official predicts any attempt to tighten limit values for tiny particulates would be rebuffed by member states

European Commission also preparing to sue UK over NO2 as part of air quality crackdown

London Assembly's Transport Committee says funding needs to be doubled to improve cycling in the capital in the long term

Green group says best outcome would be for UK Court to rapidly refer question of responsibility for enforcing law to EU Court of Justice

Formula E series chief says signing up China Racing could prove a powerful tool in fighting urban air pollution

Road pricing would help offset the €46bn annual health cost that results from lorries

The latest proposal to deal with the country's appalling air quality has sparked a heated debate

Crown Estate signs agreement for lease that would allow National Grid to store CO2 70 miles off the coast of Yorkshire

Green Party hails decision as a major step forward for air quality in the capital