Global warming is arguably the most critical and controversial issue facing the world in the twenty-first century. This Very Short Introduction provides a concise and accessible explanation of the key topics in the debate: looking at the predicted impact of climate change, exploring the political controversies of recent years, and explaining the proposed solutions. Fully updated for 2008, Mark Maslin's compelling account brings the reader right up to date, describing recent developments from US policy to the UK Climate Change Bill, and where we now stand with the Kyoto Protocol. He also includes a chapter on local solutions, reflecting the now widely held view that, to mitigate any impending disaster, governments as well as individuals must to act together.