13.4 Water Pollution

Water Pollution

A quick review of point and nonpoint source water pollution followed by a more in depth discussion of dissolved oxygen. Duration: 4:46.


Wastewater Treatment

A walk-through the steps of wastewater treatment from primary, secondary, to tertiary treatment. Duration: 5:32.


Ocean Clean Up

Dutch inventor Boyan Slat founded The Ocean Cleanup at the age of 18 in his hometown of Delft, the Netherlands. The Ocean Cleanup's team consists of more than 80 engineers, researchers, scientists and computational modelers working daily to rid the world's oceans of plastic. To learn more about this important project, please visit TheOceanCleanUp.com.