State of the world: A year in review /Lisa Mastny -- An urbanizing world / Kai N. Lee -- Providing clean water and sanitation / David Satterthwaite and Gordon McGranahan -- Farming the cities / Brian Halweil and Danielle ierenberg -- Greening urban transportation / Peter Newman and Jeff Kenworthy -- Energizing cities / Janet L. Sawin and Kristen Hughes -- Reducing natural disaster risk in cities / Zoë Chafe -- Charting a new course for urban public health / Carolyn Stephens and Peter Stair -- Strengthening local economies / Mark Roseland with Lena Soots -- Fighting poverty and environmental injustice in cities / Janice E. Perlman with Molly O'Meara Sheehan.