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.

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

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.

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

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

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

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

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.

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

As the Central American country moves forward with plans to expand the width of its heavily-used canal, locals and scientists question whether a reforestation plan along canal banks will affect the area's supply of drinking water.

Plans to build a dam on the Nile River have incited protests, outrage, and even violence as Sudanese villagers demonstrate their opposition to a project that would flood them out of their ancient homeland.

Walt Disney's utopian dream forever changed Orlando, Florida, and laid the blueprint for the new American metropolis.

Report warns that Yellowstone, Yosemite, and other beloved national parks are threatened by global warming.

Marco Placidi is one of a growing number of 'Speleologists' in Rome -- where some of the world's most important history lies undiscovered beneath the modern city, in sewers, long-lost passages, and murky ponds.

Every day 1,500 new homes rise along the U.S. coastline. National Geographic asks, "Are America's coastlines are in danger of being loved to death?"

National Geographic Magazine publishes a feature-length profile of Frederick Law Olmsted's impact of America's urban plarks.

A National Geographic cover story illustrates the signs and impact global climate change with compelling photographs.

National Geographic Traveler reports on the reactions by communities to it's first-ever 'Index of Destination Stewardship'.

New technology holds the promise of a breakthrough environment-friendly fuel. Or it could be a red herring.

A ski town in an environmentally spectacular region debates the impact of an airport expansion.