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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 encouraged 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 389,151 edits and uploaded 31,291 files.
Browse our categories or all 8,209 articles.

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Announcements — more

To catch the rain cover.png You made it happen! Get a paperback on Amazon or digitally at http://www.tocatchtherain.org.


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Home made jelly on the window sill.
When I first thought of making jelly, I didn't realize that it was a definite challenge and art. When I visited with Eppel Beard, she made it look so easy. She gave no hint that it might be hard to make a perfect clear jelly with the colors vivid and beautiful that when taken from the jar would hold its shape. But when I tried to make jelly on my own for the first time, I chose a fruit low in pectin, put too much sugar in it and didn't cook it long enough. It turned out like syrup. I tried again and cooked it too long. When it hardened it made a very good candy. Soon I found my mistakes and tried again and it turned out all right.

Like most people, I had thought that it wouldn't be very hard to make jelly because I reasoned, all I'd have to do was follow the recipe on the box of pectin. But Eppel said the real challenge is to make jelly like women did before the age of packaged products and commercial pectin, when they depended on the natural pectin and acid in the fruit.

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UABJO Demonstration Wetland Wastewater Treatment, Reclamation, and Outreach

A wetland waste water treatment and reclamation plant that is part of UABJO's Outreach program in Oaxaca, Mexico.

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Community action news

Ireland1.jpg

Jan 12 Ireland: Government still not tackling climate change? So sue them [1]

Jan 9 Japan's Seikatsu Club Cooperative challenges consumerism through sustainable consumption [2]

Jan 9 Urban sustainability UK: Urban co-design for better wellbeing and health: Healthy New Town [3]

Jan 9 Climate news 2019: Climate change: 'Right to repair' gathers force [4]

Jan 4 Norway: Oslo starts its year as European Green Capital 2019 [5]

Read More...


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Rachel Carson
The more clearly we can focus our attention on the wonders and realities of the universe around us, the less taste we shall have for destruction.

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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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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

Topics
Energy

Solar
Water
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New pages being developed:
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  2. Earth shelter
  3. Integrierte Kompostheizungstoilette
  4. Integrated compost heater toilet
  5. New York City news
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  7. Australia news
  8. Polymer Derived Ceramics: Process
  9. Porous Titanium in Next-Generation PEMFC
  10. Oakton StableTemp Economy Oven

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

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Create a new page:

  1. Nutrition
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  5. Open sustainability
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  9. Microgeneration
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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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