People and ecosystems: The fraying web of life

This is the online (PDF) version of the latest in WRI's series of books about the state of the global environment. This focuses on key ecosystems: agroecosystems, coastal ecosystems, freshwater ecosystems, and grassland ecosystems. Additional short case studies focus on specific geographic regions. The book is organized into chapters (with text, sidebars and illustrations) for each ecosystem, and a compilation of data tables at the end.