Gizmag

A new study has shown that the environmental benefits of green roofs are even greater than previously thought.

By combing through images on Flickr, a team of researchers has created a 3-D model of the city of Rome constructed from 150,000 tourist snapshots.

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.

Possibly coming soon to freshwater-poor Dubai is a self-sustaining vertical farm that uses seawater for irrigation, cooling, and humidifying.

A number of innovative new bicycle designs were on display at this year's International Bicycle Design Competition, including a bike that folds into its own backpack carrying case -- making it easy to take on public transit.