With so much water everywhere, how is it that people around the world don't have clean water for drinking and bathing? Part three in a seven-part series describing Earth's water resources introduces the class to the process of water...

Watch students investigate groundwater as they build aquifers that model Cape Cod's underground structure. [4:57]

In this video from Common Ground and Cleaner Water, Tribby Vice, a Kentucky farmer, talks about the changes he has made on his farm to protect the water quality of the stream running through his property and the watershed in which he...

Video provides an explanation for how sinkholes form. [1:13]

Follow rain running off parking lots and roads in central North Carolina on a journey to the estuary hundreds of miles away. Good footage showing runoff from areas of development and beautiful estuary montage at the end. [7:30]

Where does your water come from? Join Ken, a hydrogeologist, and learn all about groundwater. [4:47]