Foreword
Concern about the effects of climate change is growing rapidly in the United States and worldwide, stimulated by advances in scientific, technological, and economic understanding of the risks of global warming, and options for managing them. The year 2007 may have been a turning point, as leaders of nearly all countries accepted the need for rapid — and global — solutions. In October, former Vice President Al Gore and the Intergovernmental Panel on Climate Change (IPCC) received the Nobel Peace Prize for their work to raise awareness about the urgency of global warming and its impact. The IPCC’s Fourth Assessment…