Aviation

Open letter signed by 32 leading figures says global agreement in 2013 would address climate change, boost international relations, and help airlines

Dutch airline confirms weekly flights from New York to Amsterdam will use sustainable biofuels

Report advocates implementation of 'technically and economically feasible' market-based measures ahead of High Level meeting this week

Campaigners say carriers are passing on cost of free permits to customers and further benefiting from emissions trading pause

Ed Davey says 'uncertainty' over international efforts forced deferral of decision to include sectors in UK's 2050 carbon target

Decision on including sectors' emissions in the fifth carbon budget set to be announced this week

Manufacturers aim to identify ways of reclaiming the material to help make new products for electric cars and planes

Officials will meet in Montreal this week in an attempt to prepare the ground for next year's proposed market-based emissions reduction plan

And one important thing we did not learn about the prime minister

Jane Burston hears delegates debate the future of emission trading at the Doha climate summit