October 6, 2015, 9am PDT
The state of South Carolina is struggling to deal with a catastrophic sign that all of the warnings about the state of the nation's dams and bridges have gone unheeded for too long.
December 18, 2014, 10am PST
A trend piece by CNN examines Americans' increasing embrace of transit. Although the subject matter is familiar to Planetizen readers, the article also reveals insights into mainstream perceptions of the contemporary mobility discussion.
July 28, 2013, 5am PDT
For anyone who has ridden in a high-speed train, the idea of a derailment is terrifying. Last week's crash of an Alvia train in Spain made such fears seem less irrational. Yonah Freemark examines whether high-speed rail is a safe mode of travel.
July 10, 2013, 2pm PDT
Reps. Donna Edwards (D-Md.) and Eddie Bernice Johnson (D-Tex.) have introduced a bill in the U.S. House of Representatives that would create America's first extraterrestrial national park - the Apollo Lunar Landing Sites National Historic park.
June 19, 2013, 12pm PDT
The National Trust for Historic Preservation has released its annual list of America's most endangered historic places, the preservation community's most effective tool for bringing awareness and assistance to the country's threatened resources.
May 14, 2013, 1pm PDT
A 2,300-year-old Mayan pyramid at the Noh Mul site in northern Belize was recently bulldozed "to make fill for roads," reports Brad Lendon.
March 14, 2013, 11am PDT
Jordan Rane profiles 8 historic towns from across the country that have overcome significant challenges to become desirable destinations once again.
February 5, 2013, 10am PST
The Economist Intelligence Unit has released its list of the world's most expensive cities. Not one city from North America cracks the top twenty.
August 10, 2012, 8am PDT
As the fear of more local government bankruptcies rises, William Fulton argues that sprawling development patterns play a key role in leading cities to run in the red.
January 12, 2012, 9am PST
Laura Allsop chronicles the controversial plans, which have caused consternation amongst heritage workers and restorers.
December 30, 2011, 2pm PST
Your probably heard of ecotourism -- responsible tourism to natural areas. Apocalypse tourism celebrates the the end of the world on December 21, 2012, and Mexico's tourism board has the event locked up.
December 27, 2011, 9am PST
A new report from the UK's Met Office Hadley Centre for Climate Change offers specific impact projections for 24 countries. CNN offers a slide show of recent calamities.
December 21, 2011, 7am PST
As a part of its series on the changing face of the suburbs, CNN considers the transformation of the suburban prototype, Levittown.
December 7, 2011, 2pm PST
British entrepreneur Roger Wade has built "[t]he most environmentally friendly shopping mall ever built." 'Boxpark,' which recently opened, is composed of 60 standard size shipping containers stacked two stories high by five rows wide.
November 10, 2011, 7am PST
Pilgrimages to holy sites around the world have caused large amounts of waste and pollution because of the large amount of people gathering together for one event and consumeristic habits, writes George Webster for CNN
October 19, 2011, 8am PDT
Well, a good percentage of them do, with 13% of the country's 57,860 ultra high net worth individuals living in NYC.
August 24, 2011, 2pm PDT
The U.S. Army Corps of Engineers gave approval to kayakers and canoeists to paddle down a 1.5 mile strip of the L.A. River that is deemed by the federal government safe enough for public recreation, reports Michael Martinez for CNN.
August 18, 2011, 1pm PDT
The Manchester Ship Canal has gone underused for shipping goods for decades, but is now having a resurgence with the realization that barge freight can greatly reduce carbon emissions.
June 30, 2011, 7am PDT
The personally rewarding and healthy activity of urban farming continues to solidify a foothold on Hong Kong high rises, in spite of the lack of support from the government.
May 10, 2011, 12pm PDT
CNN does a roundup that includes obvious leaders like Amsterdam and some less predictable choices like Chicago and Bogota, Colombia.