What's happening to the Aral Sea?
The Aral Sea is quickly disappearing

 
What is an El Niño and a La Niña?
A movie of El Niño

>    What are the winds like in an El Niño?
>    How does the sea height change with El Niño?
>    What are the climatic effects of an El Niño?
>    What are the local effects of an El Niño?
>    How does the sea surface height change in an El Niño?
>    How do spacecraft measure the wave heights?

 
Who cares about sea level rise?
Entire islands may be lost

 
Are we running out of water?
Fresh water is a precious resource

>    Where is the water on earth?
>    Who has access to water?
>    Isn't ground water renewable?
>    Where does it rain?