Jurgen Breuste & Hildegard Feldmann 
Urban Ecology [PDF ebook] 

Provides an overview of international developments in urban ecology, with many examples from cities worldwide. In addition, this book presents a unique exchange of experiences and ideas, with a focus on cooperation between researchers and those involved in putting ideas into practice. Topics include: aims and standards for ecological cities; the integration of ecologial, economic, social and cultural aspects; land use as a controlling factor; ecologically responsible mobility; and the integration of nature and landscape into urban development.