Name of Resource: The Carbon Cycle
Climate Change Theme: Carbon
Sponsoring Organization: NASA Earth Observatory
Intended use: Background Material, Learning Activity
Intended audience: Educators and Learners
URL: https://earthobservatory.nasa.gov/Features/CarbonCycle
Average Review Ratings (Poor to Excellent, 1-5 scale): 5 stars

Description: Background material about the carbon cycle and how NASA satellites are used to study it. This site is more quantitative than most and has some nice graphics.

Summary of Reviews

Reviewer: Carrie Morrill 5 stars
Comments: Background information is accurate and useful. In the figure of CO2 over the past 140,000 yrs, it would be nice to show the recent rise in CO2 levels.
Read entire review: link text (Acrobat (PDF) 58kB Jun21 05)

Reviewer: Ellen DeBacker 5 stars
Comments: An article that covers all the aspects of the carbon cycle past and present. It also talks about NASA's missions that study the global carbon cycle and climate.
Read entire review: link text (Acrobat (PDF) 55kB Jul5 05)