Earth's Climate System: The Carbon Cycle
The carbon cycle is a core component of Earth's Climate System.
The Carbon Cycle (NASA Earth Observatory
The Carbon Cycle (Prof. John Kimball—online biology textbook)
The Carbon Cycle (Visionlearning.com)
The Carbon Cycle (Univ of Michigan)
The Carbon Cycle (PhysicalGeography.net)
The Carbon Cycle: concept map
The Carbon Cycle: simple animations (W.H. Freeman & Co.)
The Carbon Cycle: flow charts
"The Case of the Missing Carbon" (National Geographic Online Extra, Feb 2004)