Discussing today's hottest topics relating to climate change, including adapting to climate change and geo-engineering to mitigate the effects of change, this book takes on the tough questions of what to do and offers real solutions to the practical problems caused by radical changes in the earth's climate. This new edition explores the latest concerns such as acidification of the ocean, energy efficiency, transportation, space solar power, and future and emerging possibilities. Each chapter concludes with discussion questions, calculations, and possible research topics.