Breakdown by field
Energy (46.7% – 495 projects)
Rocket stove, solar oven, wind turbine, biogas, …
Food (34.3% – 363 projects)
Lactofermentation, Spirulina, Mushrooms, …
Water (27.7% – 293 projects)
Biosand filter, ram pump, solar desalinator, phyto-purification, …
Farming (27.1% – 287 projects)
Permaculture, Hydroponics, Mushroom cultivation, …
Waste (26.1% – 276 projects)
Vermicomposting, Black Soldier Fly, Plastic recycling machines, …
Housing (25.4% – 269 projects)
Soil-straw building, bioclimatic houses, yurt, …
Materials (21.8% – 231 projects)
Myco-materials, Cob, Vegetable Leather, …
Tools (19.5% – 207 projects)
Pedal-powered machines, hand-tools, DIY farming machines, …
Hygiene (13% – 138 projects)
Composting toilets, shower loop, feminine protection, …
Mobility (10.7% – 113 projects)
Cargo bike, sailing, biodiesel, …
Health (10% – 106 projects)
Herbalism, natural cosmetics, …
Communication (5% – 53 projects)
Ham radio, local internet, recycled computer, …
Clothing (1.4% – 15 projects)
Clothing