The Earth Policy Institute has released a new book entitled "World on the Edge: How to Prevent Environmental and Economic Collapse". Authored by the Institute’s director, Lester Brown, whose prior work includes the "Plan B" book series, the book follows the question of how to avert the collapse of our society in a world faced with ever increasing water scarcity, food shortages, and declining oil reserves.

More about:
http://www.earth-policy.org/books/wote

The book (in Pdf):

http://www.earth-policy.org/images/uploads/book_files/wotebook.pdf