December 25, 2007, 7am PST
<p>Competing ancient claims to land, religious fervor and the construction of a massive "security" wall make Bethlehem the most contested city on Earth.</p>
July 10, 2007, 10am PDT
<p>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.</p>
June 21, 2007, 7am PDT
<p>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.</p>
February 26, 2007, 7am PST
<p>Walt Disney's utopian dream forever changed Orlando, Florida, and laid the blueprint for the new American metropolis.</p>
July 30, 2006, 11am PDT
Report warns that Yellowstone, Yosemite, and other beloved national parks are threatened by global warming.
July 14, 2006, 2pm PDT
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.
July 12, 2006, 7am PDT
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?"
February 23, 2005, 11am PST
National Geographic Magazine publishes a feature-length profile of Frederick Law Olmsted's impact of America's urban plarks.
September 1, 2004, 2pm PDT
A National Geographic cover story illustrates the signs and impact global climate change with compelling photographs.
July 12, 2004, 5am PDT
National Geographic Traveler reports on the reactions by communities to it's first-ever 'Index of Destination Stewardship'.
September 11, 2003, 8am PDT
New technology holds the promise of a breakthrough environment-friendly fuel. Or it could be a red herring.
September 7, 2003, 9am PDT
A ski town in an environmentally spectacular region debates the impact of an airport expansion.
September 3, 2003, 12pm PDT
Walt Disney World Resort in Florida contains one of the world's largest public gardens.
August 18, 2003, 6am PDT
Is President Bush's 'Healthy Forests' intiative a sound environmental strategy or a 'smoke screen' for the logging industry? A national expert comments.
August 6, 2003, 2pm PDT
Should wildlife resources be separated and protected from humans? Conservationist David Western believes he has the answer.
July 18, 2003, 12pm PDT
City's unrivalled collection of over 2000 huge public murals including what is considered the longest mural in the world is threatened by graffiti, pollution, and neglect.
June 22, 2003, 5am PDT
Canada's first official Rivers Day highlights the threats faced by Canada's river systems.
June 8, 2003, 9am PDT
The UN highlights the severity of the world's water crisis.
May 28, 2003, 1pm PDT
Farmers who manage their land for hunting help wildlife conservation in Central England according to a new study.
May 5, 2003, 6am PDT
The destruction of the Mesopotamian Marshlands is considered one of the worst environmental disasters in history.