Speth, Dean of the Yale University School of Forestry and Environmental Studies and founder of the World Resources Institute, presents an authoritative and thorough analysis of the global environmental crisis. Combining expertise, insight and research, he examines the underlying causes of the worsening crisis and what can be done to reverse the trend and achieve global sustainability. An environmental leader, Speth is co-founder of the Natural Resources Defense Council and chief executive officer of the United Nations Development Programme.  (SCI171, $16.00)