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Sharing knowledge to build rich, sustainable lives.

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

You are welcome to add to and edit Appropedia -
your site to find, co-create and improve the solutions we need. Our vision and mission.

Contributors have made 358,332 edits and uploaded 28,510 files.
Browse our categories or all 7,639 articles.

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Aerial view of the marsh.
Arcata Marsh overview. The Arcata Wastewater Treatment Plant is responsible for the treatment of the sewage for the city of Arcata. The Arcata Marsh and Wildlife Sanctuary is a part of the system that cleans our waste in preparation to be released back into the water cycle. The system as a whole is the wastewater treatment plant (WWTP). The Arcata Wastewater Treatment Plant personnel maintain 11 wastewater pump stations as well as all of the equipment, motors, and pumps associated with the plant. They also are responsible for the operation and maintenance, of the 55 acres of oxidation ponds and 154 acres of treatment and enhancement marshes. The Arcata Marsh and Wildlife Sanctuary is a constructed wetland and is part of the Arcata Wastewater Treatment Plant. This use of constructed wetlands is what separates the Arcata Wastewater Treatment Plant from other Wastewater Treatment Plants. The first treatment plant was built in 1946 and discharged unchlorinated primary treated wastewater into the bay.
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Terraces and ditches at Petegral

Terraces and ditches at Petregal a Permaculture Demonstration Center in Oaxaca, Mexico.

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Community action news

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Jun 22 Experimental Community Organising – Transition Hungary [1]

Jun 21 Germany: How Residents of Hamburg Reclaimed the Power Grid [2]

Jun 21 Denmark: Danish Energy Cooperative Lets Consumers Collectively Build Wind Turbines [3]

Jun 19 Networks, news and comment: "Building 21ST century community" [4]

Jun 19 Community energy: The Case for Local, Community-led Sustainable Energy Programs [5]

Read More...


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Permaculture is the conscious design and maintenance of agriculturally productive systems which have the diversity, stability, and resilience of natural ecosystems. It is the harmonious integration of the landscape with people providing their food, energy, shelter and other material and non-material needs in a sustainable way.

Graham Bell, The Permaculture Way
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Hot topics / In the news

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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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ENGR 215 Introduction to Design projects – Spring 2012: Friends of the Dunes: The Spring 2012 semester of Engineering 215 worked with Friends of the Dunes to design and build projects that support the Humboldt Coastal Nature Center at 220 Stamps Lane, Manila, CA.

Spring 2012 ENGR 215 Intro to Design Projects - Humboldt Coastal Nature Center
Solar Powered Trail Lighting System
Solar trail lighting  
Carbon Footprint Wheel
Educational carbon footprint display  
Living Green Roof
Green roof educational model  
Acoustic Panels
Acoustic panels utilizing re-purposed materials  
Living Green Display
Interactive display promoting environmental consciousness  
Rapid Composter
Rapid composting system  
The Stretchbarrow
Hybrid stretcher/wheelbarrow  
The Sandy Cove
Amphitheater constructed of urbanite  
Pump Powered Dune Movement Simulator
Interactive sand dune model  
Beachgrass Baler
Tool to bale beach grass  
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Energy

Solar
Water
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