Breakdown by field
Food - Farming (55.4% – 517 projects)
Lactofermentation, Spirulina, Mushrooms, …
Energy (44.6% – 416 projects)
Rocket stove, solar oven, wind turbine, biogas, …
Housing (28.1% – 262 projects)
Soil-straw building, bioclimatic houses, yurt, …
Water (27.3% – 255 projects)
Biosand filter, ram pump, solar desalinator, phyto-purification, …
Culture - Society (22.1% – 206 projects)
Collaborative workshops, art, low-tech theory, …
Tools - Machines (19.1% – 178 projects)
Tools - Machines
Materials (18.3% – 171 projects)
Myco-materials, Cob, Vegetable Leather, …
Hygiene - Health (14.6% – 136 projects)
Composting toilets, shower loop, feminine protection, …
Mobility (9.4% – 88 projects)
Cargo bike, sailing, biodiesel, …
Information and Communication Technologies (ICT) (4.6% – 43 projects)
Ham radio, local internet, recycled computer, …