Portal:Projects

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The Projects Portal

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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Selected page

The finished greenhouse!
Construction of an Affordable Greenhouse. The capstone project for Queen’s University 4th Year Mechanical Engineering Class,"Engineering for Sustainable Development", is to design and construct an Appropriate Technology with a quantifiable engineering result. This project is to construct a greenhouse, review the heat requirement on the system for the whole year; then, based on the materials and conditions selected, review costs associated with this and build a scaled model.

This project is the first step to easy community greenhouse development - the goal of the affordable greenhouse is to:

  1. Improve greenhose design and awareness for residential application.
  2. Demonstrate the feasibility (i.e costs) of a greenhouse in the winter months and determine the best time to install such a system for optimal crop yield.

Due to the materials selected and the cold Canadian Spring, it is not effective to construct until late April. But with better material selection and innovative greenhouse designs, it is hoped that constructing miniature greenhouses will become common practice.

The blueprints for the construction of an affordable greenhouse are included; for this greenhouse a single pane Polyinyl chloride (PVC) covered greenhouse was reviewed. Heat losses and calculations were done in MatLab using constants from the Canadian Climate Normals website and sunlight radiation from Queen's University Living Building.

-Happy growing!

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Things you can do

Rainwater catchment at Isla Urbana

A rainwater catchment system set up by Isla Urbana with the Huicholes in Mexico.

This OSAT has been designed but not yet tested - use at own risk.
This OSAT has been modeled.
This OSAT has been prototyped.
This OSAT has been verified by: Name of organization.
This OSAT has been deployed by: Whom at least: How many times in: Where.

You can help Appropedia by contributing to the next step in this OSAT's status.

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Projects gallery


AEF greywater: Recreating a failing greywater marsh at the Arcata Educational Farm.  
Aleiha's parabolic solar cooker: A very hot parabolic solar cooker.  
Argentina photovoltaic: A small photovoltaic system for a natural building/permaculture institute in Central Argentina.  
Backpack frame bike trailer: Big Russ towing one of the least-expensive bike trailer designs out there built from an old backpack-frame.  
Bike snow plow: A retractable snow plow for a bike.  
Bloomfield Cobb Bench: A cobb bench at Bloomfiled Elementary School in Arcata, CA.  
Briceland PV: 960W photovoltaic installation in Briceland, CA.  
CCAT's Vermicomposting Bin: Beautiful, pentagonal, Douglas Fir worm bin.  
CCAT's Living Roof: A living roof for CCAT's Earthen Oven.  
Chris's ENGR305 Solar Food Dehydrator: A hybrid solar food dehydrator, that adheres to as many of the principles of modern food dehydration.  
DIF Adobe Senior Center: Building an Adobe senior center in Parras, Coahuila México.  
Ersson rainwater harvest and purification (original): Rainwater catchment and purification system, at less than $1500  
Greywater Ecuador La lagrima purificadora: Greywater in an Ecuadorian seed saving center.  
Hotel Perote Solar Pool Heating System: Solar hot water system for a hotel pool in Parras, Coahuila México.  
Kiva’s straw bale greenhouse: Year round veggies in a homemade, just under the permitting limit, strawbale greenhouse.  
Micro filter dams at Pedregal in Oaxaca, Mexico  
Occidental greywater: A five stage, activated sludge greywater system in drums.  
Open Solar Outdoors Test Field
Open source photovoltaic
systems performance data  
Openstreetmap
Copyright free
Map Making  
Photovoltaic system at St. Jude's church: St. Jude's Church, Cupertino, CA  
Rainwater catchment at Pedregal in Oaxaca, Mexico  
Reforestation at Pedregal in Oaxaca, Mexico  
Solar Charged Lawnmower: Converting a very used gas power lawnmower into a solar charged, low emission, almost silent, lawn cutting machine.  
Sunny Brae Yurt: Building yurt to brave Humboldt's winter. Arcata, CA.  
Terraces and Ditches at Pedregal in Oaxaca, Mexico  
Tire shingles: Roof shingles made from old racing slicks.  
UTC Solar Distiller: Building a prototype solar distiller in Parras, Coahuila México.  
Zaragoza Solar Hot Water System: Solar hot water system for a residence in Parras, Coahuila México.  

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