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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 337,580 edits and uploaded 26,568 files.
Browse our categories or all 7,235 articles.

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Aprologo-old.png As we approach our ten-year anniversary, we are looking at how best to support Appropedia in the next ten years. Please share your thoughts with us on the idea of appointing an Executive Director.


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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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Sun Frost energy efficient shower

Conventional showers minimize thermal comfort, maximize energy use and water consumption, and exacerbating moisture problems... A solution?

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Community action news

Jul 27 Climate news: World's largest carbon producers face landmark human rights case [1]

Jul 26 Australia: People-powered: renewable energy project changes Indigenous lives in Barkly [2]

Jul 24 Pakistan: ‘Solar Bibi Project’ for women entrepreneurs in rural areas launched [3]

Jul 24 Tanzania: Govt Hands Out Cash to Help Its Very Poorest Kickstart Businesses [4]

Redwood National Park, fog in the forest.jpg
Jul 20 The County-By-County Fight Against Fracking In California Had A Good Night On Tuesday [5]

Read More...


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Bill Mollison talking about the future.
You don't have a snail problem, you have a duck deficiency.

Bill MollisonW
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Hot topics / In the news

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Blog

Sharing knowledge to build rich, sustainable lives.
Appropedia is the site for collaborative solutions in sustainability, poverty reduction and international development through the use of sound principles and appropriate technology and the sharing of wisdom and project information. It is a wiki, a type of website which allows anyone to add, remove, or edit content. Registration is encouraged but not required for contributors.

Appropedia has been described as an "appropriate technology wiki," but it is much broader than that - it is a green wiki, and a wiki for all matters of international development and aid. But most importantly, Appropedia is an open site for stakeholders to come together to find, create and improve scalable and adaptable solutions. For more about our motivation, see Appropedia:Mission.

To create a new project page, first browse the project articles and subcategories below for examples and check for possible collaboration opportunities, such as articles similar to what you're considering writing. If you are looking for ideas for your own project, check out our suggested projects. It is highly encouraged to tag your projects with their status -- you can do this with a few templates. Be Bold!

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Engineering 308 (Engr 308), Technology and the Environment, is a course taught at Humboldt State University, currently by instructor Lonny Grafman.

Arcata bags

2012: Entire class partnered with Humboldt Scrap to analyze the embedded energy and carbon in various reusable and single use bags in Arcata  
Dominican Republic alternative building analysis

2011: Entire class Partnered with the Dominican community of La Yuca to compare the cost, embedded energy and carbon between three building methods  
Arcata plastic bags

2010: Entire class partnered with the City of Arcata to analyze the embedded energy and carbon in single use plastic bags in Arcata  
CCAT PV system energy analysis

2009: One team partnered with CCAT to analyze the function and energy buyback of their photovoltaic system, others teams included partnering with CCAT on Papercrete vs. StrawBale and Environmental impact of clay vs lime; with RCEA on Street lighting Analysis); and a local business on Multi-Pure vs. Brita Analysis  
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Topics
Energy

Solar
Water
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Construction zone — correct mistakes & flag spam as needed

Newest articles more Wanted pages - click to add info more
Under construction
New pages being developed:
  1. Sunward
  2. Solar orientation
  3. Sun traps
  4. Sun trap
  5. Sun scoop
  6. Sun scoops
  7. Herb spiral
  8. Herb spirals
  9. Hugelkultur
  10. Dynamic accumulation

Note: Appropedia's newest pages may not yet comply with our policies. Page titles in italics are "redirects," often created when moving a page.

Under construction

Create a new page:

  1. Nutrition
  2. Bacteria‏‎
  3. Human development
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  5. Open sustainability
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  8. Science‏‎
  9. Microgeneration
  10. Environmental design

These red links are invitations for you to contribute your knowledge.

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Please help Appropedia grow!

We want your projects, current works, observations and wisdom! See Contributing content. Improve articles by clicking "edit" at top of the page or section. Our philosophy is: Be Bold and contribute!

Questions? Comments? Visit the Village Pump. Also discuss Appropedia and related topics over on the Permies permaculture forums.

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