March 25, 1999
April 20, 2000
April 23, 2001
May 12, 2002
April 13, 2003
May 1, 2004
April 2, 2005
April 26, 2006
May 17, 2007
April 26, 2008
April 13, 2009
April 7, 2010
May 5, 2011
April 20, 2012
Water Level in Lake Powell
March 25, 1999
Image Location
World of Change
- Antarctic Sea Ice
- Arctic Sea Ice
- Fire in Etosha National Park
- Green Seasons of Maine
- Mountaintop Mining, West Virginia
- Shrinking Aral Sea
- Water Level in Lake Powell
- Columbia Glacier, Alaska
- Antarctic Ozone Hole
- Drought Cycles in Australia
- Recovery at Mt. St. Helens
- Athabasca Oil Sands
- Burn Recovery in Yellowstone
- Severe Storms
- Seasons of the Indus River
- Urbanization of Dubai
- Amazon Deforestation
- Global Temperatures
- Seasons of Lake Tahoe
- Solar Activity
- Larsen-B Ice Shelf
- Mesopotamia Marshes
- Yellow River Delta
- El Niño, La Niña, and Rainfall
- Global Biosphere
