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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 welcome 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 359,774 edits and uploaded 28,590 files.
Browse our categories or all 7,684 articles.

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After being hung up overnight in a breezy location, shirts worn once (even in the tropics!) smell quite fresh enough to wear again.
Washing and drying clothes. Washing and drying clothing are common activities that can use a lot of energy - if we aren't careful. But there are a lot of things, most importantly washing in cold water and line drying, which are not only greener, but will make your clothes last longer (as long as you don't leave them outside too long, to fade).

Why does it matter? - Energy usage: We need to use less energy with efficient washers and cold water (unless there is abundant solar hot water), and use renewable energy where possible.

Water usage: The more water we use, the harder it is to process the waste water, and the more strain we place on the water supply.

Water pollution: Minimize the use of detergent. Consider these words about the chemicals you use. Once people appreciate that they make other things dirty when they make their clothes clean, they think differently about what they're doing.

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FBP Nutsy

Nutsy, the modified Universal Nut Sheller for home use.

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Community action news

Panorámica de la Plaza Grande (Quito D.M.).jpg
Aug 7 Ecuador's "citizen revolution" [1]

Aug 7 California news: Check Out Toy Cycle, a New Platform for Families to Swap Toys [2]

Aug 3 Environment quality: 7 cities making polluted waterways into swimming hotspots [3]

Aug 2 Sharing news: The Embassy Network Fosters a Multifaceted Approach to Shared Living [4]

Aug 1 Egypt wheels out country's first bike-share program [5]

Read More...


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Jane Goodall, September 2011
There would be very little point in my exhausting myself and other conservationist themselves in trying to protect animals and habitats if we weren't at the same time raising young people to be better stewards.

Jane GoodallW
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Hot topics / In the news

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Blog

Planted cattails at Millcreek greywater
Greywater, sometimes also spelled as graywater, grey water or gray water, is all of the effluent water from a household, such as water discharged from lavatories (bathroom sinks), bathtubs, showers, clothes washers, and laundry trays. Greywater is not wastewater from a sink used for food preparation, or water closet (toilet) wastewater.

The water leaving our homes carries nutrients and value. It may also contain pathogens, and/or harsh chemicals and care should be taken with it. However, it is not a great risk compared to blackwater (sewage).

Redirecting the water we use for tasks such as showering allows us to reclaim some of that value to grow plants and recharge the water table. It may be necessary to choose our soaps and detergents more carefully, if we use the greywater for watering and fertilizing plants.

Main portal: Water
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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.

Air Ship Air City rooftop greywater filtration

A rooftop greywater filtration system  
Aleiha's parabolic solar cooker

Parabolic Solar Cooker  
Amal's ethanol still

A valved reflux ethanol still  
Backyard Biodigester

A biodigester converting organic waste to a fuel source  
Bike Rodeo bicycle blender

A kid's bike blender for Rio Dell Community Resource Center  
Bike trailer

A bike trailer from a converted baby stroller  
Blue ox earthen oven

Blue Ox earthen oven  
Bottoms strawbale earthen plaster

Earthen plaster and natural paint recipes  
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Energy

Solar
Water
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New pages being developed:
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  2. Community land trust
  3. Ghent
  4. Solarpunk
  5. L3999
  6. General Design Procedures for Airport-Based Solar Photovoltaic Systems
  7. Water quality testing
  8. Pinhole Bifocal Eyeglasses
  9. Barking and Dagenham
  10. Cold room

Note: Appropedia's newest pages may not yet comply with our policies. Page titles in italics are "redirects," often created when moving a page.

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  1. Nutrition
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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!

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