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Sharing knowledge to build rich, sustainable lives.

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

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Browse our categories or all 7,293 articles.

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Aprologo-old.png As we approach our ten-year anniversary, we are looking at how best to support Appropedia in the next ten years. Please share your thoughts with us on the idea of appointing an Executive Director.


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Arcata Educational Farm
Organic farming is the form of agriculture that relies on crop rotation, compost, biological pest control, mechanical cultivation, and other techniques using natural processes, to maintain soil productivity and control pests. Organic farming excludes or strictly limits the use of synthetic fertilizers, pesticides, and livestock feed additives. Genetically modified organisms are excluded, and organic standards in Britain and Australia exclude engineered nanoparticles.

"Organic agriculture is a production system that sustains the health of soils, ecosystems and people. It relies on ecological processes, biodiversity and cycles adapted to local conditions, rather than the use of inputs with adverse effects. Organic agriculture combines tradition, innovation and science to benefit the shared environment and promote fair relationships and a good quality of life for all involved..." -- International Federation of Organic Agriculture Movements

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Ersson rainwater harvest and purification (original)

Rainwater catchment and purification system, at less than $1500, for the majority of household use.

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Community action news

Parc des Buttes.jpg
Sep 21 Paris is banning traffic from half the city. Why can’t London have a car-free day? [1]

Sep 21 Saving Bangladesh’s last rainforest [2]

Sep 21 Greece: Athens' unofficial community initiatives offer hope after government failures [3]

Sep 20 Scotland Has Put The Public At The Heart of Its Plans For Climate Change - And Just Look At The Results [4]

Sep 19 Sweden: Waste not want not: Sweden to give tax breaks for repairs [5]

Read More...


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Architect Eliel Saarinen
Always design a thing by considering it in its next larger context – a chair in a room, a room in a house, a house in an environment, an environment in a city plan.

Eliel SaarinenW
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Hot topics / In the news

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Blog

Man working in a rice field.
Food is any substance consumed to provide nutritional support for the body. It is usually of plant or animal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals. The substance is ingested by an organism and assimilated by the organism's cells in an effort to produce energy, maintain life, and/or stimulate growth. Historically, people secured food through two methods: hunting and gathering, and agriculture.

Agriculture is the cultivation of animals, plants, fungi and other life forms for food, fiber, and other products used to sustain life. Agriculture was the key implement in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that nurtured the development of civilization. In the developed world, industrial agriculture based on large-scale monoculture has become the dominant system of modern farming, although there is growing support for sustainable agriculture (e.g. permaculture or organic agriculture).

Sustainable agriculture is the practice of farming using principles of ecology, the study of relationships between organisms and their environment. It has been defined as "an integrated system of plant and animal production practices having a site-specific application that will last over the long term: satisfy human food and fiber needs; make the most efficient use of non-renewable resources and on-farm resources and integrate, where appropriate, natural biological cycles and controls; sustain the economic viability of farm operations; and enhance the quality of life for farmers and society as a whole.”

Related portal: Permaculture
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E215 Introduction to Design projects: This gallery lists some of the projects done by Engr215 Introduction to Design taught at Humboldt State University. All semesters taught by Lonny Grafman, unless noted otherwise.

Spring 2012: Friends of the Dunes

Design and build educational displays, technologies and infrastructure for the Humboldt Coastal Nature Center  
Fall 2011: Flock House

Design and build sustainable technologies for mobile art pods interacting throughout NYC  
Spring 2011: Locally Delicious

Design and build appropriate technology projects for children that promote healthy, local eating  
Fall 2010: HBCSL Somoa Hostel

Design and build eco-projects to support a hostel being designed at the Samoa Cookhouse  
Spring 2010: RCEA

Design and build energy education boxes, housed at Redwood Coast Energy Authority to build, for classrooms in Humboldt County  
Spring 2010: World Shelters

Design, prototype and improve structures by leveraging the resources of Haiti and World Shelters  
Fall 2009: CCAT and Network for a Healthy California

Design and build appropriate technology projects for CCAT and Network for a Healthy CA  
Spring 2009: WaterPod

Design and build sustainable technologies to educate and support artists living sustainably on a barge in NYC  
Fall 2008: Full Belly Project

Design and prototype adaptions to the Universal Nut Sheller  
Spring 2008: Discovery Museum

Design and build educational flume inserts for the Redwood Discovery Museum  
Fall 2007: HBCSL

Designing and prototype model hostel cottages for the proposed Humboldt Bay Eco Hostel  
Spring 2007: RCEA

Design and build energy efficiency displays for the Redwood Coast Energy Authority (Co-taught with Professor Eileen Cashman)  
Fall 2006: CCAT

Design and prototype educational, appropriate technology, infrastructure models  
Fall 2005: Interactive Energy Efficiency Displays

Design and build educational energy displays for the Redwood Coast Energy Authority  
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Energy

Solar
Water
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New pages being developed:
  1. Grinding Mill in Forestry Plant:MOST
  2. Nepal Communitere Maker Space
  3. Nepal Communitere
  4. Communitere International
  5. Chemtool(How to draw chemistry):MOST
  6. Cost-Effectiveness of Interventions for Alternate Food to Address Agricultural Catastrophes Globally
  7. Recycled PLA Filament for Concrete Aggregate Literature Review
  8. Papa ram pump
  9. MY4777 MiniMech project
  10. Structural and optical characterization and efficacy of hydrothermal synthesized Cu and Ag doped zinc oxide nanoplate bactericides

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