Climate change is one of the greatest threats that humankind faces in the twenty-first century. But while government and industry fail to act, this book argues, we could all work to reduce greenhouse gas emissions by 60%, the level necessary to halt the current trend according to the Intergovernmental Panel on Climate Change. Packed with provocative case studies, calculati Climate change is one of the greatest threats that humankind faces in the twenty-first century. But while government and industry fail to act, this book argues, we could all work to reduce greenhouse gas emissions by 60%, the level necessary to halt the current trend according to the Intergovernmental Panel on Climate Change. Packed with provocative case studies, calculations, and lifestyle comparisons, this entertaining and authoritative book makes the complexities of climatology tractable and challenges readers to rethink their notions of doing their bit.