Day: September 7, 2012

One of the oldest and one of the most crowded cities in the world.

The Columbia Glacier has retreated more than 12 miles since 1980.

Agriculture shifts to neighborhoods over the course of four decades.

The first ever, high-resolution, true color map of Antarctica.

Agriculture shifts to neighborhoods over the course of four decades. thumbnail: http://svs.gsfc.nasa.gov/vis/a010000/a011000/a011041/Phoenix_timelapse_gal.png

One of the oldest and one of the most crowded cities in the world. thumbnail: http://svs.gsfc.nasa.gov/vis/a000000/a003700/a003791/beijing_2010.1020_gal.png

The Columbia Glacier has retreated more than 12 miles since 1980. thumbnail: http://svs.gsfc.nasa.gov/vis/a010000/a011000/a011030/11030_columbia_1986-2011_timelapse_gal.png

The first ever, high-resolution, true color map of Antarctica. thumbnail: http://svs.gsfc.nasa.gov/vis/a010000/a010400/a010416/LIMA_wVO_ipod_gal.png