In the Earth Science Discovery program, students from 3rd to 6th grades learn about the Critical Zone through hands-on activies that are facilitated by undergraduate students from the University of Arizona.

We are actively engaged in K-12 education, public outreach, field courses for students from around the nation and world, and cutting edge graduate training in interdisciplinary critical zone science for graduate students.

Education/Outreach News


Undergraduate course curriculum, “Introduction to Critical Zone Science,” available free online

01 Jan 2018 - A 15-week semester-long upper-level undergraduate course curriculum entitled “Introduction to Critical Zone Science” is now available free online.


CZOs at AGU 2017

05 Dec 2017 - Information on CZO award recipients, events, presentations, etc. at the 2017 AGU Fall Meeting.


Water Resources Research Special Collection: Concentration-discharge relations in the critical zone

30 Oct 2017 - Water Resources Research published a new special collection in September 2017 featuring concentration-discharge research from multiple CZOs.


CZNews: Fall 2017

25 Oct 2017 - The CZO National Office's quarterly newsletter CZNews: Fall 2017.


CZNews: Summer 2017

27 Jul 2017 - CZO National Office's quarterly newsletter CZNews: Summer 2017.


2017 CZO Webinar Series: Critical Zone and Society

06 Apr 2017 - 2017 CZO Webinar Series: Critical Zone and Society.


K-12 Soil Science Teacher Resources

24 Mar 2017 - The Soil Science Society of America (SSSA) is a professional scientific society, made up of soil scientists, educators, and consultants focused on...


CZ Science Cafe Series: Soil in the Critical Zone

12 Aug 2016 - Dr. Craig Rasmussen, hydrologist from the University of Arizona, Department of Hydrology and Water Resources, gives the second Cafe presentation in...


CZ Science Cafe Series: Soil Microbes in the Critical Zone

12 Aug 2016 - Dr. Rachel Gallery, an assistant professor in the School of Natural Resources and the Environment at the University of Arizona, gives a Cafe...


CZ Science Cafe Series: Water in the Critical Zone

12 Aug 2016 - Dr. Tom Meixner, a hydrologist in the Department of Hydrology and Water Resources at the University of Arizona, gives the second Cafe presentation...


CZ Science Cafe Series: Introduction to the Critical Zone

10 Nov 2015 - Dr. Jon Chorover explains the basic concept of the Critical Zone and the earth science during the first Cafe presentation in the Critical Zone...


Mt. Lemmon Science Tour App

04 Nov 2015 - This app is designed to accompany a drive up the Catalina Highway and it describes a wide range of sky island science, including some of that done...


Forests Worldwide Vulnerable to Drought, UA Researcher Says

28 Aug 2015 - David Breshears was interviewed by Sara Hammond about forest vulnerability to growing risks of drought and heat-induced die-off. Read and listen...


Jon Chorover to speak at international workshop on hydro-biogeochemical processes

16 Jul 2015 - Jon Chorover of the Santa Catalina Mountains & Jemez River Basin CZO has been invited to talk at the Hydro-Biogeochemical Processes: Mechanisms,...


Soil, Not Dirt: A Digital Journey Connecting Soils, Plants, and Climate by Rebecca Lybrand

08 Jun 2015 - Join Rebecca on an exciting GoPro adventure to study soil in the desert, grasslands, and pine forests of Arizona.

Contribute a classroom/field activity to NAGT’s Teach the Earth

22 May 2017 - Contribute a classroom or field activity to Teach the Earth.

Critical Zone Q&A with researcher Adrian Harpold

19 Oct 2016 - University of Nevada Reno's Adrian Harpold reflects on his past and present time researching at Critical Zone Observatories.

Joint AGU-ESA Event Brings Together Collaborative Networks

17 Aug 2015 - Members of AGU and the Ecological Society of America came together in their first joint event to discuss opportunities for research collaboration.

CZO Ecology Session at ESA 2015 Meeting

16 Jul 2015 - A session entitled 'Ecology in the Critical Zone" will take place at the Ecological Society of America (ESA) 2015 Meeting held  from August...

Video: CZ graduate students reflect on experience at University of Western Australia Summer School

13 May 2015 - Students from around the Worldwide Universities Network (WUN) gathered in Perth for two weeks in Feb. 2015 for the Inaugural WUN Summer School.

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