Lester Brown's "Plan B 2.0"
Plan B 2.0: Rescuing a Planet Under Stress and a Civilization in Trouble, by Lester R. Brown of the WorldWatch Institute, 2006.
Here is a link to the book's Table of Contents, which in turn lets you view each chapter as Adobe PDF documents or as HTML webpages:
http://www.earth-policy.org/Books/PB2/Contents.htm
Enjoy.
Kevin Anderson