Skip navigationGetting the global picture


1. Storms of dust and tanks

2. Big eyes upstairs

3. Eyeing melting ice

4. At the big disconnects

5. Finding fish - by satellite

6. Fire and brimstone



Related Why Files
Melting glaciers

Arctic warming

Antarctic ice


Global warming

Population and shortages

Drinking water shortage

Doing space science

Terra Launch Spotlights NASA Observing System, Andrew Lawler, Science, Dec. 10, 1999.

On Thin Ice, Robert Bindshadler and Charles Bentley, Scientific American, Dec. 2002.

Terra's View of the Sea, James Yoder, Science, June 16, 2000, pp. 1979-80.

The NASA Goddard Space Flight Center's Earth Sciences Archive.

Endless portals of information at Columbia University's Center for International Earth Science Information.

Get the latest from NASA's Earth Observatory Newsroom.

NASA's ICESat mission.

Terra, the Earth Observing System's flagship satellite

Visible Earth, a directory of images, visualizations and animations of the Earth.

The Land Rapid Response System Image Gallery

The National Oceanic and Atmospheric Administration (NOAA)'s satellite captures Middle East sand storms.

New Scientist weighs in on Iraq's environmental future.

What makes a satellite tick.

Observe our credits page -- get close now.

The Why Files

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