Mark New, Reader in Climate Science at the School of Geography and the Environment, introduces the 4 Degrees and Beyond conference, its main themes and why it was important.  Creative Commons Attribution-Non-Commercial-Share Alike 2.0 UK: England & Wales; http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

Podcasts from the 4 Degrees and Beyond Conference - Implications of a Global Climate Change of 4 plus Degrees for People, Ecosystems and the Earth System. The conference was co-hosted by the Environmental Change Institute, the Tyndall Centre for Climate Change Research and the Met Office Hadley Centre and took place in Oxford on 28-30 September 2009.