January 22, 2011, 7am PST
Officials in Jordan are moving closer to creating an ambitious project aimed at producing food, fresh water and energy in the Sahara Desert.
December 20, 2010, 7am PST
A NASA-related agency envisions a future when people will commute from small neighborhood "pocket airports" in their "Suburban Air Vehicles" (SAVs).
November 30, 2010, 6am PST
With a collective population of more than 10 million, Kenya's slums face major sanitation issues. A new project offers a sustainable solution.
November 14, 2010, 5am PST
Researchers in Taiwan have discovered that gold nanoparticles can create luminescence in tree leaves, opening the possibility of glowing trees that cold act as streetlights.
September 21, 2010, 9am PDT
Researchers in Europe are experimenting with a new kind of traffic light that better responds to traffic by monitoring the actual amount of cars on the road and estimating how long lights should stay green.
June 6, 2010, 5am PDT
This post from <em>Gizmag</em> looks at Anatoly Unitsky's String Transport Systems, which are trains that operate on above-ground rails at speeds of up to 300 miles per hour -- in theory.
February 13, 2010, 9am PST
Outdated or ugly building blighting your skyline? Maybe what it needs is a "facade graft".
September 25, 2009, 10am PDT
A new study has shown that the environmental benefits of green roofs are even greater than previously thought.
September 19, 2009, 7am PDT
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.
August 31, 2009, 7am PDT
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.
March 27, 2009, 6am PDT
Possibly coming soon to freshwater-poor Dubai is a self-sustaining vertical farm that uses seawater for irrigation, cooling, and humidifying.
May 7, 2008, 2pm PDT
<p>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.</p>