New book - 'Building a Better World in Your Backyard' - on Kickstarter (sponsored friend)

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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 393,801 edits and uploaded 31,583 files.
Browse our categories or all 8,311 articles.

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Bwb-book-mockup-no-bg.png New book Building a Better World in Your Backyard Instead of Being Angry at Bad Guys Check currently being funded on Kickstarter. (sponsored friend).


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Rope pump upper construction
Rope pumps. Industrial hand pumps, such as the Indian Mark II, for communal wells donated by development projects often break down after two years. If maintenance costs are the responsibility of the users, then this cost is too high when repairs prove necessary and the pump is left nonfunctional.

An alternative reliable hand pump is needed for communal and private use to supply clean drinking water and irrigation. These pumps will raise the standard of living if they are low cost, reliable and pump water effectively. Efficiency is critical to irrigate a garden in the dry season due to the relatively large amount of water involved. Such gardens provide food and increased income.

Local affordability, maintenance and good pump efficiency are required features. Local affordability means a twenty-to-hundred-fold cost reduction compared to imported industrial goods. Local maintenance is only possible when made with local resources and skills.

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Occidental_greywater

Greywater without land. A five stage, activated sludge greywater system in drums.

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Community action news

Southwark1.jpg

Apr 15 UK Climate news: Thousands block roads in Extinction Rebellion protests across London [1]

Apr 3 Climate news 2019: Parents around the world mobilise behind youth climate strikes [2]

Apr 2 City Of Sydney Announces 100% Renewable Energy Target [3]

Mar 29 Amsterdam: A Modest Proposal to Eliminate 11,000 Urban Parking Spots [4]

Mar 22 Community involvement USA: How the simple act of sharing a meal is creating community change [5]

Read More...


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Marshall McLuhan holding a mirror
There are no passengers on spaceship earth. We are all crew.

Marshall McLuhanW
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Hot topics / In the news

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Blog

Bicycle wheel
Transport. According to the Appropriate transport manual, sustainable transportation is a strategy for the flow of people and goods across the Earth that meets the needs of the present without compromising the ability of future generations to meet their own needs. Transportation accounted for 32.6% of US green house gas emissions in 2005. In addition to the widely publicized environmental consequences of driving automobiles, it is also socially and economically costly:
  • Land use: Parking and roads use valuable land resources.
  • Transportation equity: Driving, with all of its expenses, costs the average U.S. household $7,000 per year per vehicle.
  • Economics: Most of the money spent on driving leaves a local economy, weakening it.
  • Community: Travelers outside of their cars interact more with their physical environment and each other.
  • Safety: The presence of pedestrians and cyclists make our neighborhoods safer from crime. Conversely, 42,000 Americans are killed in car accidents every year.
  • Health: Increasingly, Americans are suffering from weight-related illnesses. This is partly attributable to the decline in active transportation use and availability.

Building and encouraging alternatives to the single-occupant vehicle, or, for short "alternative transportation," is imperative. Some alternative transportation advocates have taken to using the term, sustainable transportation, instead of the previous, widely-used "alternative transportation" term to avoid sidelining their interest from the mainstream.

Many efficient, practical, and inexpensive sustainable transportation technologies already exist, meaning activism, policy work, and planning research is most often more crucial to developing sustainable transportation than technology development.

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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.

Papasan Chair Solar Cooker

A solar cooker and chair when not in use  
Parabolic basket and tin can solar cooker

Solar cooker out of local invasive species and waste materials  
Plastering CCAT Earthbag Terrace

A sturdy, natural plaster covering to the EarthBag gardening terrace being built in front of CCAT  
Rocket stove biomass charcoal

Use of biomass waste charcoal briquettes for rocket stove  
Rowan's portable pedal power generator

A pedal power generator  
Small greenhouse rainwater catchment

A rainwater catchment system for a greenhouse  
Solar Charged Lawnmower

An electric lawnmower that utilizes solar power as an energy source  
Solar heating box

A passive solar heating box  
Sunbrella

An umbrella in the rain, a solar cooker in the Sun  
Sunny Brae Middle School Garden

A garden at Sunny Brae Middle School  
Sunny Brae rainwater catchment system

A residential rainwater catchment system  
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Selected categories

Topics
Energy

Solar
Water
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Under construction
New pages being developed:
  1. Apiary design for a forest garden
  2. Rainwater Catchment-Solar Pump System/OM
  3. Abaxial
  4. Open press project
  5. CCAT rainwater catchment solar pump system/OM
  6. Jane's Walk
  7. Lifecycle and Economic Analysis of standard Czochralski-Si and multicrystalline black-Si PERC Literature review
  8. Lasersaur Rebuild to Orginal
  9. Gooseberries
  10. White gooseberries

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