A reading that describes natural carbon sources and sinks. This reading by Noelle Eckley Selin, Massachusetts Institute of Technology, describes how anthropogenic activities alter the concentration of carbon in various sources and sinks, thus, contributing to global warming.

Students will learn about the various types of carbon sinks and sources. They will further understand the importance of the removal of this excess carbon dioxide from the atmosphere using technologies for carbon capture and storage, and carbon sequestration.