Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Jan 29, 2009
Lake Chad, was once the sixth largest lake in the world. Historical imagery, which can be viewed as part of Google Earth's imagery, show the dramatic changes from the 1970s to the 1980s and 1990s as much of the lake dried up. See this and other locations of environmental change as part of the UN Environmental Programme's (UNEP) "Atlas of Our Changing Environment."