Welcome to Appropedia

Welcome to Appropedia, the sustainability wiki!
Help us build rich and sustainable lives by sharing your knowledge, experiences, ideas and more. Read more »
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Technologies

Appropedia started in 2006 as an encyclopedia of appropriate technologies:

Solar cookers
Photovoltaic systems
Rainwater harvesters
Ecoladrillos
Greywater systems
Compost bins
Composting toilets
Rocket stoves
Bike trailers
Pedal powered generators
Natural paints
Water quality testers
Water filters
Vertical gardens
3D printing

Projects

Now we document over 4,200 projects. Here are a few selected examples:

Sending mobile makerspaces into Ukraine to help, train and equip local communities.
Surgical training modules for health care workers in low-resource settings.
Information and startups for a more sustainable fashion industry.
Solar apocalypse computer.
Turning a landfill into a community playground.
How to make a solar dehydrator from a box.

More projects Share your project

Map

Much of our content is geo-located, so you can explore it by location:

More maps

Publications

You can also read some of the best content on Appropedia in a curated and packaged format:

Sustainable Development Goals

Or browse content by its relevance to each of the UN's global goals:

SDG01 No poverty SDG02 Zero hunger SDG03 Good health and well-being SDG04 Quality education SDG05 Gender equality SDG06 Clean water and sanitation SDG07 Affordable and clean energy SDG08 Decent work and economic growth SDG09 Industry innovation and infrastructure SDG10 Reduced inequalities SDG11 Sustainable cities and communities SDG12 Responsible consumption and production SDG13 Climate action SDG14 Life below water SDG15 Life on land SDG16 Peace justice and strong institutions SDG17 Partnerships for the goals

Organizations

Know some of the organizations that chose to publish on Appropedia:

Our service

We help individuals and organizations produce, publish and spread knowledge focused on poverty reduction and sustainability.

Contact us!

But why Appropedia?

  • Vision-driven — Imagine a world where every human being can live rich and sustainable lives. Does this resonate with you or your organization? If so, we'd love to help you!
  • Free and open — Appropedia is and always will be free to access and with open licenses.
  • Advanced tools — We've been documenting projects since 2006! In the process we developed powerful yet simple to use tools and standards.
  • Accessibility — We strive to make content in Appropedia available to everyone. Appropedia can be accessed offline via Kiwix as well as plain prints and books, can be easily read aloud for visually-impaired (or busy) people, translated to many languages, accessed via APIs, and more!
  • No overhead — Start documenting right away without having to worry about developers, domains, hosting, setup, configuration or maintenance.
  • Resilience — Keeping content online indefinitely is hard. According to various studies, most links break after only two or three years. Appropedia not only hosts content about sustainability, but is determined to be sustainable itself!
  • Strong SEO — Take advantage of our many years online and hundreds of thousands of backlinks to see your content rise to the top of search results in no time.
  • Community support — You're not alone! Leave a message anytime and we'll do our best to help you!
  • Exit button — If you ever want to leave or copy your content elsewhere, we provide tools to do so.
Page data
Authors Chris Waterguy, Curt Beckmann, Lonny Grafman, iocj, Anonymous1, Roger, RichardF, Grawp
License CC-BY-SA-3.0
Cite as Chris Waterguy, Curt Beckmann, Lonny Grafman, iocj, Anonymous1, Roger, RichardF, Grawp (2006–2025). "Welcome to Appropedia". Appropedia. Retrieved November 28, 2025.