ARCHIVED CONTENT: In December 2020, the CZO program was succeeded by the Critical Zone Collaborative Network (CZ Net)
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What is the Critical Zone?
Illustration of the Critical Zone, showing a slice of Earth's near surface pulled out of the ground. Labels are shown for air, biota, soil, water, and rock. Image credit: After Chorover et al, 2007. Catalina-Jemez CZO (artwork by R. Kindlimann).
A short web page that answers questions like: what is the Critical Zone? Why it is so important? Why does it need to be studied? The page includes text, images, and video.
Grades 9 -
14
All Disciplines
Information • Video
Educational Objectives
Be able to discuss where the Critical Zone fits on Earth's surface and its importance to Humans and all life.
Audience
K-12
General Public
Higher Education
Observatory: National CZO • Boulder CZO • Calhoun CZO • Catalina-Jemez CZO • Christina CZO • Eel CZO • IML CZO • Luquillo CZO • Reynolds CZO • Shale Hills CZO • Sierra CZO
Author(s): CZO National Office
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