"World on Edge details the vice closing around us: a quadruple squeeze of global warming and shortages in food, water and energy. Then it explains the path out—and how little time we have left to take that path. Got anything more important to read than that?" —Peter Goldmark, former head of the Port authority of New York and New Jersey, President of the Rockefeller Foundation, and CEO of the International Herald Tribune
Treehugger asks Janet Larsen "What's the greatest resource scarcity we now face?"