December 17, 2015, 2pm PST
Environmentalists are pushing the nuclear industry to do more to prepare for sea level rise. An estimated 13 nuclear plants in the U.S. are considered vulnerable now or in the future.
August 15, 2015, 11am PDT
A researcher from the Bill Lane Center for the American West at Stanford University explains how to use interactive maps to track climate change.
April 29, 2015, 9am PDT
There are animals among us. Boars in Berlin, coyotes in Washington, D.C., and mountain lions in Los Angeles are just a few examples of the wildest populations moving to cities.
January 28, 2015, 12pm PST
In 20 years, dam removal has gone from a "fringe notion" to "wide acceptance." National Geographic explains how and why this sea change occurred.
December 19, 2014, 1pm PST
National Geographic details the effects of the "Minute 319" agreement that will return water to the Colorado River Delta.
December 14, 2014, 7am PST
Writing for National Geographic, Brian Clark Howard examines the "[innovative] techniques that mimic nature help restore open waterways, prevent pollution, and create habitats for animals."
November 29, 2014, 7am PST
Jonathan Waterman describes a kayaking trip into Lake Powell—the "reservoir formed by the confluence of the San Juan and the Colorado Rivers and the holding power of Glen Canyon Dam" above the Grand Canyon.
August 29, 2014, 2pm PDT
Here's a comeback story for the ages: The Elwha River in Washington, dammed for the production of hydroelectric power for almost a century, runs wild again.
July 12, 2014, 11am PDT
Joe Eaton reports from Bainville, Montana, which is suffering the effects of the Bakken oil boom, although the majority of the Bakken wells, and its corresponding tax revenue, are in North Dakota.
June 12, 2014, 1pm PDT
National Geographic Geographer Juan José Valdés calls the changes in the map of Arctic ice in the 10th edition of the National Geographic Atlas of the World, "the biggest visible change other than the breakup of the U.S.S.R."
November 8, 2013, 7am PST
While we won't live to see it, humanity's carbon emissions could one day melt all of the ice on Earth. National Geographic's interactive map shows how the world's coastlines would change when sea levels rise 216 feet. Say goodbye to Florida.
January 18, 2013, 5am PST
Mexico City's emergence as a "commuter's paradise" due to a focus on people and places, rather than cars and driving, has earned the city this year's Sustainable Transport Award from the Institute for Transportation and Development Policy (ITDP).
August 10, 2011, 10am PDT
Ethiopia is planning to construct a large hydroelectric dam on the Nile River to supply power for itself and neighboring countries.
August 1, 2011, 9am PDT
Lawmakers are likely to consider a controversial plan this summer to remove a series of dams on the Klamath River to help restore endangered salmon populations.
July 20, 2011, 1pm PDT
Cities plan to cut off individual parking garages is a gamble, says Josie Garthwaite in National Geographic -- yet making it impossible to park is one of the few yet most effective tools that reduces driving.
March 24, 2011, 2pm PDT
This collection of city profiles looks at cities around the world that are making major improvements to the way they handle and provide water.
February 22, 2011, 5am PST
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 21, 2011, 5am PST
Construction is nearing completion on the longest railway tunnel in the world.
February 3, 2011, 9am PST
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, 6am PST
Beneath Paris is an underground network of tunnels and quarries, long closed to the public. <em>National Geographic</em> takes a tour of this forbidden part of the city, where urban explorers keep tradition alive.