''The Rough Guide to Climate Change'' gives the complete picture of the single biggest issue facing the planet. Cutting a swathe through scientific research and political debate, this completely updated 3rd edition lays out the facts and assesses the options - global and personal - for dealing with the threat of a warming world. The guide looks at the evolution of our atmosphere over the last 4.5 billion years and what computer simulations of climate change reveal about our past, present and future. This updated edition includes scientific findings that have emerged since the 2007 report from the Intergovernmental Panel on Climate Change (IPCC), as well as background on recent controversies and an updated politics section that reflects post-Copenhagen developments. You can discover how rising temperatures and sea levels, plus changes to extreme weather patterns, are already affecting life around the world. ''The Rough Guide to Climate Change'' unravels how governments, scientists and engineers plan to tackle the problem and includes information on what you can do to help.