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<big>''Sharing knowledge to build rich, sustainable lives.''</big>
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{{:Welcome to Appropedia/box-header|<big>''Sharing knowledge to build rich, sustainable lives.''</big>|:Welcome to Appropedia/Intro|titleforegroundlink=white}}
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{{:Welcome to Appropedia/box-header|<big>Announcements &mdash; [http://blogs.appropedia.org/tag/announcements/ ''more'']</big>|:Welcome to Appropedia/Announcements|titleforegroundlink=white}}
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|<center><big><big>'''New Kiswahili Content'''</big>
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Appropedia has over 50 pages in [[Kiswahili]]! If you have any questions, comments or content, please contact our Kiswahili Translation Coordinator, [[User:Kili|Chris Sam]], at kiswahili[[Image:atsymbol.png]]appropedia[[Image:dot.png]]org. See http://blogs.appropedia.org/2011/06/03/kiswahili/ for more. </big>
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Appropedia is the site for collaborative approaches to '''sustainability''', '''poverty reduction''' and '''international development'''. Learn more at our [[Appropedia:Mission|Mission]] page.
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The material here is free for your use. So far contributors have made [[Special:Recentchanges|{{NUMBEROFEDITS}} edits]] and uploaded [[Special:Newimages|{{NUMBEROFFILES}} files]].  Search or browse our [[Appropedia:CategoryTree|categories]] or [[Special:Allpages|all '''{{NUMBEROFPAGES}}''' pages]]. 
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; [[Three Cups of Tea]]
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; [[Beyond Zero Emissions]]
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; [[Monitoring and evaluation]]
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|width=50%  style="color: #EEEECC;background:#818CA5;border-right:2px solid #818CA5;border-top:0px ;padding-left: .9em;padding-right: .9em;"| <center>'''Popular pages<sup>''[[Special:PopularPages|more]]''</sup>'''</center>
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; [[Chris's ENGR305 Solar Food Dehydrator]]
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; [[Kiva's straw bale greenhouse]]
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; [[Hexayurt playa]]
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| align=center style="color: #EEEECC;background:#818CA5;border-right:2px solid #818CA5;border-top:2px solid white;padding-left: .9em;padding-right: .9em;" | '''Construction zone - correct mistakes & [[Appropedia:Flagging spam|flag spam]] as needed.'''
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| width=50% style="color: #EEEECC;background:#818CA5;border-right:2px solid white;border-top:2px solid white;padding-left: .9em;padding-right: .9em;" | '''Newest Articles''' <sup>''[[Special:Newestpages|more]]''</sup>
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|width=50%  style="color: #EEEECC;background:#818CA5;border-right:2px solid #818CA5;border-top:2px solid white;padding-left: .9em;padding-right: .9em;"| '''Wanted Pages''' - click to add info <sup>''[[Special:WantedPages|more]]''</sup>
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New pages being developed:{{Special:Newestpages/-/10}}
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<small>Note: Be aware that Appropedia's newest pages may not yet comply with [[:Category:Appropedia policy|our policies]].</small>
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|valign="TOP" style="background:#CCFFCC;border-right:2px solid #818CA5;border-bottom:10px solid #818CA5;padding-left: .9em;padding-right: .9em;"| [[Image:Under construction orange.jpg|Under construction|right|80px]]
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Create a new page:
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# [[Rural communities]]
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# [[Pollution]]
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# [[Economic development]]
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# [[Coal]]
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# [[Slums]]
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# [[Clay]]
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# [[Disease]]
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# [[China]]
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<small>These '''[[A:Redlinks|<font color=red>red links</font>]]''' are invitations for you to contribute your knowledge.</small>  
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</div><div style="float:left; width:58%; margin-top:-20px;"> <!-- LEFT COLUMN: This width adds to the column below to equal 100%-->
  
<small>Or [[Help:Creating a page|'''create a page''']] on the topic of your choice.</small>  
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{{:Welcome to Appropedia/box-header|<big>[[Community action for sustainability|Community action news]]</big>|:Welcome to Appropedia/CAnews||titleforegroundlink=white}}
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{{:Welcome to Appropedia/box-footer‎‎}} <!-- COMMUNITY ACTION NEWS -->
| style="color: #EEEECC;background:#818CA5;border-top:2px solid white;border-right:2px solid #818CA5;padding-left: .9em;padding-right: .9em;"| '''<big>Please help Appropedia grow!</big>'''
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| style="background:#D9D2A9;border-right:2px solid #D9D2A9;border-bottom:10px solid white;padding-left: .9em;padding-right: .9em;" |<p>We want your projects, current works, observations and wisdom! Please see our [[Help:Contributing content|Contributing content]] page. You can also enrich existing articles by clicking on "edit" at the top of the page or section.  Appropedia's software is robust and forgiving, so '''[[A:BOLD|Be Bold]]''' and contribute!</p>
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</div><div style="float:right; width:41%; margin-top:-20px;"> <!-- LEFT COLUMN: This width adds to the column below to equal 100%-->
More info on helping out is at our [[Appropedia:Community portal|Community Portal]] page. Ask questions or leave comments at the [[Appropedia:Village pump|Village Pump]] page. You can also check out the Appropedia [[Appropedia:Mailing lists|mailing lists]]. [http://groups.google.com/group/appropedia-community Appropedia community] and [http://groups.google.com/group/tech-for-sustainability-wikis Site tech].</p>
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<p>Become a [http://www.facebook.com/appropedia Facebook Fan]. Follow us on [http://www.twitter.com/appropedia Twitter], [http://identi.ca/appropedia Identica] or [http://friendfeed.com/appropedia FriendFeed] Stumble our links at [http://nopanacea.stumbleupon.com/ StumbleUpon] or [http://delicious.com/nopanacea Delicious].  See our images at [http://www.flickr.com/photos/appropedia Flickr] and [http://www.youtube.com/appropedia YouTube]... and make sure to add us as a friend, subscription, resource, etc. wherever you are!</p>
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{{:Welcome to Appropedia/box-header|<big>Hot topics / In the news</big>|:Welcome to Appropedia/Hot||titleforegroundlink=white}}
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{{:Welcome to Appropedia/box-footer‎‎}} <!-- HOT TOPICS / IN THE NEWS -->
{{Lang|[[Selamat datang di Appropedia|Bahasa Indonesia]] - [[Welcome to Appropedia|English]] - [[Bienvenido a Appropedia|Español]] - [[Willkommen bei Appropedia|Deutsch]] - [[Bienvenue sur Appropedia|Français]] - [[Benvenuto su Appropedia|Italiano]] - [[:Category:Português|Português]] - [[Karibu Appropedia|Kiswahili]]}}
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Latest revision as of 09:10, 20 January 2016

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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 396,444 edits and uploaded 32,000 files.
Browse our categories or all 8,348 articles.

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Announcements — more

To catch the rain cover.png Rainwater catchment around the world. Get a paperback on Amazon or free digitally at http://www.tocatchtherain.org.


edit  watch  Selected page (refresh)
Direct and diffuse solar radiation (Practical Action)
Solar thermal energy. The sun is the source of the vast majority of the energy we use on earth. Most of the energy we use has undergone various transformations before it is finally utilized, but it is also possible to tap this source of solar energy as it arrives on the earth’s surface.

There are many applications for the direct use of solar thermal energy, space heating and cooling, water heating, crop drying and solar cooking. It is a technology which is well understood and widely used in many countries throughout the world. Most solar thermal technologies have been in existence in one form or another for centuries and have a well-established manufacturing base in most sun-rich developed countries.

The most common use for solar thermal technology is for domestic water heating. Hundreds of thousands of domestic hot water systems are in use throughout the world, especially in areas such as the Mediterranean and Australia where there is high solar insolation (the total energy per unit area received from the sun). As world oil prices vary, it is a technology which is rapidly gaining acceptance as an energy saving measure in both domestic and commercial water heating applications. Presently, domestic water heaters are usually only found amongst wealthier sections of the community in developing countries.

edit  watch  Highlighted project (Book) (refresh)
Open_source_3-D_printing_of_OSAT

Open source 3D printers, such as the Rep Rap, are being used to create open source appropriate technologies such as the DremelFuge.

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Community action news

Greywolf1.jpg

May 6 Biodiversity news: Humans 'threaten 1m species with extinction' [1]

May 6 Reduce, reuse, repair and recycle: Bringing the power of plastic recycling to the people [2]

May 2 Mexico: A new, collective business model for traditional crafts in Oaxaca [3]

May 1 UK Climate news: UK Parliament Declares Environment and Climate Emergency, Claire Mitchell [4]

May 1 Bank On San Francisco: Supporting community financial empowerment [5]

Read More...


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Hansen at the Our Opportunity student summit in March 2009
A global tipping point will be reached in 10 years [ 2016 ] if levels of greenhouse gases like methane and CO2 are not reduced. Global warming at this point becomes unstoppable.

James HansenW
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Hot topics / In the news

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Blog

Kiva's straw bale greenhouse
An alternative or natural building involves a range of building systems and materials that place major emphasis on sustainability. Ways of achieving sustainability through natural building focus on durability and the use of minimally processed, plentiful or renewable resources, as well as those that, while recycled or salvaged, produce healthy living environments and maintain indoor air quality. Natural building tends to rely on human labor, more than technology. As Michael G. Smith observes, it depends on "local ecology, geology and climate; on the character of the particular building site, and on the needs and personalities of the builders and users."

The basis of natural building is the need to lessen the environmental impact of buildings and other supporting systems, without sacrificing comfort, health or aesthetics. To be more sustainable, natural building uses primarily abundantly available, renewable, reused or recycled materials. The use of rapidly renewable materials is increasingly a focus. In addition to relying on natural building materials, the emphasis on the architectural design is heightened. The orientation of a building, the utilization of local climate and site conditions, the emphasis on natural ventilation through design, fundamentally lessen operational costs and positively impact the environmental. Building compactly and minimizing the ecological footprint is common, as are on-site handling of energy acquisition, on-site water capture, alternate sewage treatment and water reuse.

edit  watch  Selected service learning Projects gallery (refresh)

ENGR 215 Introduction to Design projects – Spring 2010: World Shelters: One lab of the Spring 2010 semester of Engineering 215 worked worked with World Shelters to design and improve upon structures by leveraging the resources of Haiti and World Shelters.

Spring 2010 ENGR 215 Intro to Design Projects - World Shelters
Simple Square
Reduces the amount of unique connecting pieces needed to construct World Shelter's JAS Shelter  
Rock Roots JAS
JAS Shelter retrofits to withstand a Class One hurricane  
Make it Complete with Papercrete
Inner wall system incorporates the use of papercrete, a weatherproof and fire resistant material  
Rubble to Resource
Rubble trench foundations utilize rubble to rebuild Haiti  
Bags of Shelter
Earthbag shelter designed for use as a transitional shelter  
Titanium Sun Shield
Primer and topcoat application over the polypropylene exterior of a WorldShelters temporary structure  
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Selected categories

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. Open Source Completely 3-D Printable Centrifuge
  2. Computer vision based real-time 3D printing analysis
  3. Mechanical Properties of Ultraviolet-Assisted Paste Extrusion and Postextrusion Ultraviolet-Curing of Three-Dimensional Printed Biocomposites
  4. Computer vision and macine learning background
  5. Love your local market
  6. Caster and Wheel Maintenance Guide
  7. Caster Wheel Material Application Guide
  8. Caster Wheel Terminology
  9. CCAT MEOW 2019/OM
  10. Zane Middle School Creative Internal Space

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
  4. Environmental science
  5. Open sustainability
  6. New Urbanism‏‎
  7. Building management systems
  8. Science‏‎
  9. Microgeneration
  10. Environmental design

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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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.

Find us on Facebook, Pinterest, and Twitter. Check our Flickr images and YouTube videos.

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