Breakdown by field
Food - Farming (55.2% – 522 projects)
Lactofermentation, Spirulina, Mushrooms, …
Energy (44.7% – 423 projects)
Rocket stove, solar oven, wind turbine, biogas, …
Housing (28.2% – 267 projects)
Soil-straw building, bioclimatic houses, yurt, …
Water (27.2% – 257 projects)
Biosand filter, ram pump, solar desalinator, phyto-purification, …
Culture - Society (22.2% – 210 projects)
Collaborative workshops, art, low-tech theory, …
Tools - Machines (19.3% – 183 projects)
Tools - Machines
Materials (18.5% – 175 projects)
Myco-materials, Cob, Vegetable Leather, …
Hygiene - Health (14.7% – 139 projects)
Composting toilets, shower loop, feminine protection, …
Mobility (9.6% – 91 projects)
Cargo bike, sailing, biodiesel, …
Information and Communication Technologies (ICT) (4.8% – 45 projects)
Ham radio, local internet, recycled computer, …