Garnaut Climate Change Review - Update 2011. Update Paper one: Weighing the cost and benefits of climate change action

This is the first of eight update papers that will focus on new developments and consider whether the case for the conclusions drawn in 2008 has been strengthened or weakened. Individual papers will examine progress on: international mitigation efforts; global emissions trends; the climate science; opportunities for abatement in the land sector and biosequestration; proposals for reducing emissions, including different carbon price instruments; technology developments and innovation policy; and the electricity sector.