NPR

This segment from NPR looks at what's happened since a Native American tribe in Arizona opened a glass-floored walkway extending over the Grand Canyon.

With rising sea levels and a penchant for ambitious new building ideas, Dubai is moving forward with plans to construct floating buildings and islands.

Homes farther out from the central city and with longer commutes are being hit harder by the downturn in the housing market. Those located close to city cores and transit are faring better, according to this report from NPR.

A new plan in the Senate looks to help the country deal with the backlash of the housing crisis by offering tax breaks and credit. But will it help people whose homes have been foreclosed?

This report from NPR looks at the efforts of one educator to help rebuild communities in New Orleans by rebuilding the city's charter school system.

A ring road covering more than 1,500 miles in Afghanistan has eased shipping in the country, but traveling along the new pavement is still dangerous.

This report from NPR looks at the impending sale of land on the hillside above the infamous Hollywood sign in Los Angeles, and the local official who's trying to prevent it.

This report from NPR examines the controversy and battle brewing between the federal government and small towns in Texas over a Department of Homeland Security plan to build more than 700 miles of fencing along the U.S.-Mexico border.

This report from NPR looks at how climate change may affect the future of the Panama Canal.

Fewer Americans are visiting parks and and participating in outdoor activities, according to a new study.

Dutch architects are seeking out progressive solutions to sea level rise.

With booming homelessness since Hurricane Katrina, New Orleans is looking to unconventional approaches to handling the issue. But things aren't quite working out as planned.

Pulitzer Prize-winning reporter and best-selling author David Cay Johnston talks recently on NPR's Fresh Air about government subsidies for big box stores.

Global warming is exacerbating the threat of flooding in low-lying areas such as Holland and California's Sacramento Delta. Politicians in California are looking to Holland for examples of how to prevent flooding from happening.

This report from NPR looks at the growing pains experienced by one Seattle suburb.

The reservoir at China's Three Gorges Dam will fill to capacity this year, flooding more than 400 square miles of land, including some precious historic sites.

This report from NPR looks at the shortage of affordable housing in America.

With the end of 2007 comes the official end of Boston's "Big Dig."

This report from NPR looks at plans in Paris that could lift building height restrictions and dramatically alter the city's skyline.

Homeless advocates are working in Los Angeles to identify the city's most vulnerable homeless people on Skid Row. With this list the county intends to take a piecemeal approach to housing the city's homeless.