Breakdown by field
Food - Farming (54.6% – 533 projects)
Lactofermentation, Spirulina, Mushrooms, …
Energy (44.7% – 437 projects)
Rocket stove, solar oven, wind turbine, biogas, …
Housing (28.5% – 278 projects)
Soil-straw building, bioclimatic houses, yurt, …
Water (27% – 264 projects)
Biosand filter, ram pump, solar desalinator, phyto-purification, …
Culture - Society (22.4% – 219 projects)
Collaborative workshops, art, low-tech theory, …
Tools - Machines (19.7% – 192 projects)
Tools - Machines
Materials (19% – 186 projects)
Myco-materials, Cob, Vegetable Leather, …
Hygiene - Health (14.4% – 141 projects)
Composting toilets, shower loop, feminine protection, …
Mobility (9.9% – 97 projects)
Cargo bike, sailing, biodiesel, …
Information and Communication Technologies (ICT) (5.2% – 51 projects)
Ham radio, local internet, recycled computer, …