Fish

Cityscape Farms has developed a new technique for farming fish along with vegetables in combined urban food systems that allows them to farm in developed areas.

The population is expected to climb to 9 billion within the next 50 years. As a result, crucial natural resources will dwindle. This article looks at four that will be much harder to come by in the future.

Dams are increasingly being removed in the U.S. as part of an effort to save fish.