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Sharing knowledge to build rich, sustainable lives.

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

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 305,451 edits and uploaded 24,117 files.
Browse our categories or all 6,533 articles.

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Announcements — more

Windmillprint-crop.jpg Yes it is possible to print a windmill with a 3D printer for a fraction of the cost of manufacturing one conventionaly. Learn more about open-source 3-D printing of open source appropriate technology for sustainable development.


Prototype of Nutsy
FBP Nutsy. The Full Belly Project (FBP), has designed a Universal Nut Sheller (UNS) that are distributing throughout West Africa and Haiti. The UNS shells large amounts of nuts in a fraction of the time that it would take a single person.

Our Engr215 Introduction to Design class from Humboldt State University was divided into seven teams, each consisting of four members. Each team was given one of three assignments:

  • Create a smaller version of the UNS to be marketed in the US in order to fund FBP's efforts abroad.
  • Find a way to make a UNS out of cheaper, lighter and more sustainable materials for the countries of West Africa.
  • Find a way to make molds out of recycled plastic bags for the working parts of the UNS using extremely limited resources in Haiti.

Our team worked on the first of these assignments by redesigning the UNS to be marketable in the United States.

Sun Frost energy efficient shower

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

Henry David Thoreau
For it matters not how small the beginning may seem to be: what is once well done is done forever.

Henry David ThoreauW
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!

edit  watch  Selected service learning Projects gallery (refresh)

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.

Chris's ENGR305 Solar Food Dehydrator

A hybrid, solar food dehydrator  
Compressed earth brick press

An exploration of compressed earth bricks  
Deidre's vertical vegetable garden

Solar powered vertical vegetable garden  
Devan's vertical axis wind turbine

Experimental Vertical Axis Wind Turbine  
Engr305 peanut sheller project

Peanut sheller made from clay and newspaper  
Engr305 pulser pump

A working model of a Pulser pump  
Engr 305 solar learning station

Instructional Solar Learning Station  
ENGR305 windbelt

Testing new materials for prototype windbelts  
Ethanol from organic sugar beets versus refined cane sugar

Determining the cost inputs and energy outputs of small scale ethanol production  

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Selected categories

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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. Wofati
  2. How to install FLIR Lepton using Raspberry Pi- Module B+
  3. TCMTECH dripper irrigation for rainbarrel
  4. Biodiversity UK
  5. Korea
  6. Polyculture
  7. Agroforestry for soil management
  8. Chicken yard
  9. Recycle Bot Protocol
  10. Total U.S. cost evaluation of low-weight tension-based photovoltaic flat-roof mounted racking

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. Animals
  2. Organic waste
  3. Nutrition
  4. Ecosystem
  5. Human development
  6. Clay
  7. Environmental science
  8. Appropriate energy overview
  9. Building management systems
  10. Open sustainability

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

Or create a page on the topic of your choice.

Newest files - images and documents that can be added to pages more

Note: Appropedia's newest files may not yet comply with our policies.

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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!

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