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Sharing knowledge to build rich, sustainable lives.

Appropedia is for collaborative solutions
in sustainability, appropriate technology, poverty reduction, and permaculture.

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Sarah the hardest worker who is always chuggin' away.
CCAT yurt rainwater catchment. The long history of rainwater collection, can be traced (in recorded history) as far back as ancient times some 3,000 years ago (850 BC) if not even farther. The need for water is a basic human essential for maintaining life, without it, no civilization could have prospered. Rainwater collection in ancient Constantinople is one of the last megalithic structures of its kind.

The CCAT Rainwater Catchment Group consists of: Sean Colley, Matt de Young, Jessica Radtkey, Sarah Shimizu, and Tiesha Whittaker. Our project for ENGR 114 was to build a rainwater catchment system around the yurt at CCAT on campus at Humboldt State University. The purpose of the rainwater catchment system is to capture and store rainwater in a large storage drum for use to water plants on the CCAT grounds. Water is a resource that is always present around us but not always in an immediately useful form. Therefore, it is necessary that we use innovative and appropriate techniques to capture and transform the water that we have into a useful form of water for our needs.

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Corn Cob Charcoal Crusher

Turning corn cob agricultural waste into a cooking fuel that combats deforestation and indoor air pollution.

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Community action news

Girls on a Bicycle.JPG
Apr 24 Cycling news 2018: What Cities Need to Understand About Bikeshare Now [1]

Apr 23 1000 Electric Buses To Spearhead Paris Goal Of 100% Zero Emissions Public Transportation [2]

Apr 17 Florida: Miami's sharing potential [3]

Apr 17 Denmark: How do we utilize local knowledge so that others can benefit from it? A guide from the Danish Island of Samsø [4]

Apr 16 Reduce, reuse, repair and recycle: Recycling hope for plastic-hungry enzyme [5]

Read More...


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Bill Mollison talking about the future.
Permaculture is a design system for creating sustainable human environments. The word itself is a contraction not only of permanent and agriculture but also of permanent culture, as cultures cannot survive for long without a sustainable agricultural base and landuse ethic.

Bill MollisonW, Introduction to Permaculture
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Visit the Service learning Portal

Service learning as a teaching method combines community service with academic instruction that focuses on critical, reflective thinking and civic responsibility. Service learning programs involve students in organized community service that addresses local and global needs, while developing their academic skills, sense of civic responsibility, and commitment to the community. Internships offer ways individuals can learn from valuable work experiences while also contributing to the host's mission.

Service learning using Appropedia helps to create an essential knowledge base for the world via learning experiences for individuals and classes. The Appropedia Foundation and the Appropedia community work with universities via service learning courses, as well as service learning programs to create these opportunities. Appropedia internships also offer opportunities for service learning.

 

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Engr305 Appropriate Technology Projects: Below are selected service learning projects from Engr305 Appropriate Technology, which is a course on appropriate technology at Humboldt State University taught by instructor Lonny Grafman.

CCAT Clay-straw slip wall

Clay-straw slip wall of CCAT's Greenshed  
CCAT clothes drying

Efficient clothes drying system for CCAT  
CCAT Cold Box

An energy efficient solution to a refrigerator  
CCAT Compost System

CCAT's comprehensive composting system  
CCAT greenhouse natural wall

An aesthetically pleasing natural earthen wall built by clay and straw slip methods  
CCAT greenshed cob wall

Cob wall of CCAT's Greenshed  
CCAT greenshed north wall

Cordwood and mortar wall of CCAT's Greenshed  
CCAT greenshed west wall

Clay-straw slip wall of CCAT's Greenshed  
CCAT greywater marsh (2008)

CCAT's Greywater Marsh 2008  
CCAT greywater marsh (current)

CCAT Greywater Marsh Continued  
CCAT interpretive wind turbine display

Demonstration wind turbine  
CCAT's living roof

Replacing CCAT's living roof  
CCAT MEOW 2012

Refurbishment of CCAT's Mobile Energy Operation Wagon  
CCAT natural concrete stain

Natural concrete stain  
CCAT natural paint project

Interior paints from natural ingredients  
CCAT natural wall construction

Earthen informational kiosk for CCAT  
CCAT pedal powered grain mill

Pedal powered grain mill for CCAT  
CCAT pedal powered TV

Updated version of CCAT pedal powered bicycle  
CCAT rainwater catchment system

CCAT's current rainwater catchment system  
CCAT Raised Garden Beds

Controlled beds of soil above toxic ground  
CCAT remediation zone

A stable slope for planting and attracting beneficial insects  
CCAT Retaining Wall

Retaining wall for slope erosion at CCAT  
CCAT rocket stove

CCAT's improved fuel rocket stove  
CCAT small rainwater catchment

Rainwater catchment for CCAT's cob bench roof  
CCAT's Vermicomposting Bin

CCAT's vermicomposting bin  
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