Campus Center for Appropriate Technology[edit | edit source]
The Campus Center for Appropriate Technology is a student-run sustainability organization on the site of Humboldt State University in Arcata, California, which is intended as a site for experiementing with and developing small-scale or "appropriate" technology.
CCAT papercrete clayslip demo wall
The wall is framed by two driftwood logs and in-filled half by paper-crete bricks, half by clay-slip-straw, which is held in place by a recycled wood lath; and is covered by a combination of natural and lime plasters.
The CCAT greenhouse is a lean-to Garden Sun Room model frame and glazing. It is supported by a freestanding beach grass and clay slip wall.
CCAT greenshed cordwood wall
CCAT is building a tool shed with green methods in mind so it is called the green shed. Part of this green design is the walls that will be made from as many natural or recycled materials as is reasonable.
CCAT Clay-straw slip wall
This page is devoted to documenting the process of building the west wall of CCAT's Greenshed using the natural building method called clay-straw slip.
Demotech[edit | edit source]
Demotech's contribution consists of technical research into ultra low cost and truly sustainable technical solutions.
Electrical wiring and switching
For safety the plug box must be enclosed in an electrically insulated box or "house" in order to prevent people from accidentally touching live electrical contacts or wires.
Cold Cathode Fluorescent Lamps
You can use a CCFL and electronic ballast out of an old SCSI document scanner. Just so you know a ballast is the same as an Inverter.
Bathroom Toilet Unit
This is about the construction of Bathroom Toilet units affordably. It aims at improving sanitation in rural settings.
Two LED-lights, attached to a box with batteries are placed on the page or paper to be read. The LED's only illuminate a few lines of the text at a time, not attracting insects.
Practical Actions[edit | edit source]
Practical Action has a unique approach to development – we don't start with technology, but with people. The tools may be simple or sophisticated – but to provide long-term, appropriate and practical answers, they must be firmly in the hands of local people: people who shape technology and control it for themselves.
Bicycle Trailers (Practical Action Technical Brief)
To make sure that the cycle trailer are affordable, Practical Action works with local partner organisations who operate credit schemes at low interest rates.
The 'A' frame (Practical Action Brief)
The A Frame at least assists the farmer to safely peg and construct contours that save the soil
Tsetse fly management (Practical Action Brief)
Trapping technology, which is often enhanced with attractant odours that attract and kill tsetse flies, is relatively simple and less polluting to the environment than insecticide application.
Practivistas Dominicana's Appropriate Technology Gallery[edit | edit source]
Examples of Appropriate Technology from the Dominican Republic. This page was started by students in the Practivistas Dominicana Appropriate Technology Program.
La Yuca small scale renewable energy 2011
This system was designed to serve as an educational tool, reduce fossil fuel use, along with having an acceptable pay-back time.
Las Malvinas community center shade
The objective of this project is to design and construct a durable shade and rain-proof structure for the community center in Las Malvinas using local materials at a low cost.
Ghetto2Garden solar power
The Ghetto2Garden initiative was developed initially in an attempt to find an appropriate shelter to house 6 cats and 40 dogs
MyShelter Foundation escuela de botellas
Este proyecto se trata de una escuela con muros de botellas, tanto de vidrio como de plástico.
Fashion Revolution Encyclopedia[edit | edit source]
La Enciclopedia Fashion Revolution es una iniciativa de Fashion Revolution Argentina apoyada por Fashion Revolution y Appropedia para desarrollar un compendio de artículos, tutoriales e iniciativas ciudadanas para una industria de la moda más sustentable.
Escuela Superior de Economía y Negocios (ESEN)[edit | edit source]
Ameyali es una estación para la distribución de agua y el lavado de manos, que trabaja de forma segura, evitando el contacto con superficies contaminadas.
Clipetes busca darles la oportunidad a los vendedores de hacer ver sus negocios con mayor formalismo, limpieza y amigable a la vista.
Un BEE HOTEL es un lugar adecuado para que residan las abejas.
Michigan Tech in Open Sustainability Technology (MOST)[edit | edit source]
The Pearce Research Group at Michigan Tech in Open Sustainability Technology focuses on open and applied sustainability, which is the application of science and innovation to ensure a better quality of life for all, now and into the future, in a just and equitable manner, whilst living within the limits of supporting ecosystems.
Open-Source Three-Dimensional Printable Infant Clubfoot Brace
The 3D-printed brace has the features of commercially available braces while significantly reducing the cost, making this clubfoot brace particularly appropriate for use in developing countries.
Open Source Digitally Replicable Lab-Grade Scales
This study provides designs for a low-cost, easily replicable open-source lab-grade digital scale that can be used as a precision balance.
A RecycleBot is a waste plastic extruder that creates 3-D printer filament from waste plastic and natural polymers.
Conversion of Self-Contained Breathing Apparatus Mask to Open Source Powered Air-Purifying Particulate Respirator for Fire Fighter COVID-19 Response
This study outlines an open source kit to convert a 3M-manufactured Scott Safety self-contained breathing apparatus (SCBA) into a powered air-purifying particulate respirator (PAPR).
Open Source Completely 3-D Printable Centrifuge
This study provides the designs for a low-cost 100% 3-D printed centrifuge, which can be fabricated on any low-cost RepRap-class fused filament fabrication (FFF)- or fused particle fabrication (FPF)-based 3-D printer.
Belt-Driven Open Source Circuit Mill Using Low-Cost 3-D Printer Components
The study provides open source (OS) designs for a low-cost circuit milling machine.
Haiti Communitere[edit | edit source]
Haiti Communitere is primarily a resource center that is located close to the international airport in Port-au-Prince. They are anchored in community work and approach it by supporting organizations that are already engaged in positive change.
HSU Chiapas Program[edit | edit source]
This is part of Humboldt State University's summer immersion in Appropriate Technology that took place in San Cristóbal de las Casas, Chiapas, Mexico.
Practivistas Chiapas improved cookstoves
Improved cookstoves at Otros Mundos and in a rural community
Practivistas Chiapas micro hydro feasibility study
Microhydro feasibility study in a few rural communities
Practivistas Chiapas windbelt ASE
Windbelts at Otros Mundos