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Sharing knowledge to build rich, sustainable lives.

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 417,865 edits and uploaded 34,881 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.


Solar heater
Solar hot water describes active and passive solar technologies that utilize the sun’s freely abundant solar thermal energy in order to heat water for a desired application. It is one of the most efficient ways to heat water (in terms of energy/waste), as it requires no energy conversion, unlike electric-resistance heating or fuel burning. It is a simple transfer and concentration of heat energy from one place to another. Another interpretation of the efficiency of the practice is that the solar energy is free, and only dependent on the extent of the technology used, and its cost and efficiency. In other words, the energy is free, only the collection, conversion, and storage devices cost. If you have ever felt hot water trickle out of a garden hose that’s been sitting in the sun, you’ve experienced solar hot water in action. Essentially, a solar hot water system is made up of a solar thermal collector, a well-insulated storage container, and a system for transferring the heat from the collector to the container vis-à-vis a fluid medium, which in some circumstances is the water to be used itself. Read more...
A detailed greywater system at Centro Orgánico Finca Sarita, an Ecuadorian seed saving center.
A detailed greywater system at Centro Orgánico Finca Sarita, an Ecuadorian seed saving center. Read more or check our book


edit  watch   Selected service learning projects gallery (refresh)


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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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John Muir
When one tugs at a single thing in nature, he finds it attached to the rest of the world.

John MuirW


Service learning as a teaching method combines community service with academic instruction that focuses on critical, reflective thinking and civic responsibility. Service learning programs involve students in organized community service that addresses local and global needs, while developing their academic skills, sense of civic responsibility, and commitment to the community. Internships offer ways individuals can learn from valuable work experiences while also contributing to the host's mission.

Service learning using Appropedia helps to create an essential knowledge base for the world via learning experiences for individuals and classes. The Appropedia Foundation and the Appropedia community work with universities via service learning courses, as well as service learning programs to create these opportunities. Appropedia internships also offer opportunities for service learning.

 


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