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Soil Stewards

Call of nature: TUSD and UA launch campaign for Cooper Center expansion

Over the last 56 years, more than 130,000 students have explored nature in the Tucson Mountains at the Cooper Center for Environmental Learning, an outdoor educational camp just north of Gates Pass that offers programs through a partnership between the Tucson Unified School District and the University of Arizona College of Education.

Now the Cooper Center, located at 5403 W. Trails End Road, is launching a $500,000 capital campaign to pay for a new facility master plan that's estimated to cost up to $4 million.

Composting Toilet Reference Plans and Designs Approved by Arizona Department of Environmental Quality (ADEQ)

Arizona Department of Environmental Quality (ADEQ) approved, on December 28, 2016, for permitting the construction and use of two site-built designs piloted by Watershed Management Group through a two-year process with 22 participating sites. The Proprietary Treatment Product Listing for the two designs now expands the range of composting toilet options available to Arizonans. The two batch-style composting toilet system designs are 1) a 55-gallon barrel system and 2) a masonry chamber system.

Poo to Peaches Children's Book

From peaches to poo... and back again! This first-of-its-kind book teaches children about composting toilets and the nutrient cycle. Poo to Peaches also includes technical information pages for adults with details on composting toilet use and maintenance. Written by WMG staff and volunteers, this book was funded through a Kickstarter campaign supported by over 150 backers from around the world. 

Site‐built Composting Toilet Pilot Report

Watershed Management Group (WMG) led the 2‐year Composting Toilet Research Action Project as part of an EPA Environmental Education Grant focused on developing desert soil stewardship. The goal of the Desert Soil Stewardship program was to teach urban gardeners and neighborhood activists critical thinking and stewardship practices regarding soil management to address the environmental issues of loss of soil nutrients, food security, waste reduction, and water conservation.

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