Hammerby Sjöstad, in central Stockholm, is integrated urban water management in action. The district, which was intended to be an Olympic Village, once was an old industrial area, but it has been…

Michael Peter Steen Jacobsen |

Only a very short time ago, we were drawing blank looks when we mentioned "natural capital accounting." This week at Rio, everyone is talking about it. Walls are plastered with flyers…

Rachel Kyte |