National Geographic

The mark of human civilization will last long after humans go extinct, according to this article looking at the anthropocene, or the age of humankind.

February 22, 2011 - National Geographic

Construction is nearing completion on the longest railway tunnel in the world.

February 21, 2011 - National Geographic

The small town of Perugia, Italy has left its traffic worries behind by implementing various driving restrictions and transportation solutions like escalators and a "minimetro".

February 3, 2011 - National Geographic

Beneath Paris is an underground network of tunnels and quarries, long closed to the public. National Geographic takes a tour of this forbidden part of the city, where urban explorers keep tradition alive.

February 3, 2011 - National Geographic

National Geographic tackles the controversial issue of population growth, and the sustainability of a growing population. Should we worry about maxing out the planet? Not necessarily, according to Nat. Geo.

January 3, 2011 - National Geographic

The federal government set aside $5.5 billion in stimulus funding to retrofit its huge fleet of buildings. $4.5 billion is to be spent on green building projects, some of which have already been launched.

December 28, 2010 - National Geographic

Carbon dioxide is one of the most widespread greenhouse gases produced by humans. Trees can absorb it, but release it when they die. Scientists are looking to build artificial trees to do the job permanently.

August 5, 2010 - National Geographic

A new report from the Natural Resources Defense Council shows that many parts of the Great Plains and the Southwest U.S. are facing severe water shortages in the near future.

July 28, 2010 - National Geographic

This article from National Geographic examines the rapidly depleted Jordan River and how saving it could bring Israel and its quarreling neighbors together.

March 23, 2010 - National Geographic

This piece from National Geographic takes a look at the three-year drought that's plaguing California's cities and farms.

March 18, 2010 - National Geographic

Small-scale nuclear reactors could be a new, cheap way to provide power for neighborhoods. But their inherent controversy remains.

February 20, 2010 - National Geographic

The Sahara desert is becoming increasingly green, according to satellite imagery -- which scientists are attributing to rising temperatures associated with global climate change.

August 4, 2009 - National Geographic

The Seasteading Institute, a group that advocates creating sovereign nations in international waters, announces the winner of their seastead design contest.

May 26, 2009 - National Geographic

Advances in material development have brought to the market a new type of concrete that can bend under pressure and heal cracks with the addition of water.

May 7, 2009 - National Geographic

This piece from National Geographic looks at how green roofs are sweeping across the tops of buildings all over the world.

April 21, 2009 - National Geographic

Anthropologists have discovered traces of highly organized and gridded cities in the Amazon rainforest dating back to the 1200s.

August 31, 2008 - National Geographic

This article from National Geographic looks at the construction boom that is rapidly changing the face of Beijing.

April 18, 2008 - National Geographic

This article from National Geographic looks at the increasing strain on the water supplying the western U.S.

January 21, 2008 - National Geographic

National Geographic launches a new green cities blog called The Ecopolitan, written by Jay Walljasper, Senior Fellow of the Project for Public Spaces, and Executive Editor of Ode magazine.

December 26, 2007 - National Geographic

Competing ancient claims to land, religious fervor and the construction of a massive "security" wall make Bethlehem the most contested city on Earth.

December 25, 2007 - National Geographic