• Zero emissions from air and sea

    A British researcher says he has come up with an emissions trading proposal that would cut shipping and aviation emissions to zero by 2052.

    Terry Barker from the Centre for Climate Change Mitigation Research at Cambridge University envisages five eight-year trading periods starting in 2013, full auctioning of allowances, and a successively reduced emissions cap based on emissions in 2004-06. Dr Barker was a coordinating lead author on the IPCC’s fourth report into climate change last year. The report is summarised at www.tyndall.ac.uk/publications/briefing_notes/bn26.pdf