Dickson Despommier says that the goal of cities today should be to be a "closed loop" ecosystem, where everything that is needed to support the city - energy, food, etc. - is contained within its borders.
Jan 22, 2011 McKinsey & Company
As the world's population urbanizes, rural areas are being abandoned. But they don't have to sit empty and unused, according to this piece from <em>GOOD</em>.
Jan 18, 2011 Good
Despite flowing through ten different nations, the Nile's water is only technically the property of Egypt and Sudan. The other eight nations are trying to change that. But as the debate heats up, the river's ecosystem may be caught in the cross-fire.
Jul 27, 2010 Yale Environment 360