Straddling the border between the United States and Mexico, this metropolitan area is home to more than 5 million people.
Published May 6, 2013
City lights reflect some of the landscape features that determine urban growth patterns in the region.
Published Oct 21, 2013
By the time the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite passed over Des Moines, Iowa, on June 29, 2008, and captured this image, the floods that had struck the city in mid-June when an aging levee failed were no longer apparent in the city itself. However, downstream (southeast) of the city, the flooding remained dramatic.
Published Jul 8, 2008
The built-up areas of Cabo (cape) San Lucas stand out as bright, angular areas inland from the main bay on the tip of the Baja California peninsula. Dry river beds descend from rugged, wooded hills to the coastline. River sands then accumulate to form the white beaches visible along the coastline adjacent to the city.
Published Dec 19, 2005
Northern Arizona is best known for the Grand Canyon. Less widely known are the hundreds of geologically young volcanoes scattered across the southern portion of the Colorado Plateau at the eastern foothills of the San Francisco Peaks.
Published May 23, 2006
Though governed by separate countries, the cities of El Paso, Texas, and Juarez, Mexico, merge into an apparently seamless metropolis in this satellite image, but vegetation is confined mostly to the United States' side of the border.
Published Mar 15, 2009
