Learn about water scarcity, what is it, where is it... it is not just about the physical presence of water.
An in-depth and interesting look at the history of the supply of water. California in particular is discussed in relations to water supply and demand.
Reviews how water is distributed throughout the world and the problem of water scarcity.
Come up with questions about a topic and learn new vocabulary words to determine answers using an Ask, Answer, Learn table.
Scientists are working on a way to desalinate seawater that mines minerals with little harm to the environment.
Lake Michigan is one of the five Great Lakes. Pollution has been a problem for decades, but people are trying harder than ever to clean up the lake and to keep it from becoming further polluted.