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Welcome to Appropedia

We develop knowledge to build rich, sustainable lives (read our vision and mission).

Explore solutions for sustainability, appropriate technology, poverty reduction, and permaculture. You are encouraged to add to and edit Appropedia with your original research on these subjects. To learn more about appropriate technology, we invite you to check Portal:Appropriate technology.

Browse our categories or all 8,799 articles. Contributors have made 417,812 edits and uploaded 34,879 files.

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Announcements — more

To catch the rain cover.png Rainwater catchment around the world.
Get a paperback on Amazon or free digitally at http://www.tocatchtherain.org.


CCAT natural paint project
CCAT natural paint project. The Campus Center for Appropriate Technology (CCAT) at Humboldt State University in Arcata, CaliforniaW is completely remodeling the inside of their building. When all of the construction is finished the entire interior of the house will need to be painted. As an ENGR 305 project, Spring 2007, Andrea Lanctot and Jill Anderson have decided to make all the interior paints from scratch using safe natural ingredients. The project has four main goals. The first is to research natural paint ingredients, recipes, and techniques. The second is to make several of the recipes and test the paints for color, durability, and texture. The third is to choose paints from the tests for the new CCAT house and apply them to the interior. The last goal is to test the final application with the test of time. See natural paint basics for background research on ingredients, types and advantages/disadvantages of natural paint. Read more...
Year round veggies in a homemade, just under the permitting limit, strawbale greenhouse.
Year round veggies in a homemade, just under the permitting limit, strawbale greenhouse. Read more or check our book


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Community action news

AlleeImFruehling.jpg

May 26 Towards sustainable economies news: World health leaders urge green recovery from coronavirus crisis [1]

May 15 London news: Large areas of London to be made car-free as lockdown eased [2]

May 5 UK Climate news: Airline bailouts without climate conditions could be unlawful [3]

May 5 The full impact of Finland’s UBI experiment is in - improving wellbeing, cognitive confidence, and a sense of personal control [4]

May 4 Ethical consumerism: What could tourism become, post-Covid? Former "destinations" can build new livelihoods. And make new urban-rural connections [5]

Read More...



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Bill Mollison talking about the future.
You don't have a snail problem, you have a duck deficiency.

Bill MollisonW


A windmill is used to power a water pump which fills a swimming pool.
Appropriate technology (AT) is technology that is designed with special consideration to the context of its use - including environmental, ethical, cultural, social, political, and economical aspects of the community it is intended for. With these goals in mind, AT proponents claim their methods require fewer resources, are easier to maintain, and have less of an impact on the environment compared to techniques from mainstream technology, which they contend is wasteful and environmentally polluting.

The term is usually used to describe simple technologies proponents consider suitable for use in developing nations or less developed rural areas of industrialized nations. This form of "appropriate technology" usually prefers labor-intensive solutions over capital-intensive ones, although labor-saving devices are also used where this does not mean high capital or maintenance cost. In practice, appropriate technology is often something described as using the simplest level of technology that can effectively achieve the intended purpose in a particular location. In industrialized nations, the term appropriate technology takes a different meaning, often referring to engineering that takes special consideration of its social and environmental ramifications.


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