Breakdown by field
Energy (48.4% – 487 projects)
Rocket stove, solar oven, wind turbine, biogas, …
Food (34% – 342 projects)
Lactofermentation, Spirulina, Mushrooms, …
Water (28.3% – 285 projects)
Biosand filter, ram pump, solar desalinator, phyto-purification, …
Farming (26.2% – 264 projects)
Permaculture, Hydroponics, Mushroom cultivation, …
Waste (26% – 262 projects)
Vermicomposting, Black Soldier Fly, Plastic recycling machines, …
Housing (25.4% – 256 projects)
Soil-straw building, bioclimatic houses, yurt, …
Materials (21.3% – 214 projects)
Myco-materials, Cob, Vegetable Leather, …
Tools (19.1% – 192 projects)
Pedal-powered machines, hand-tools, DIY farming machines, …
Hygiene (13.5% – 136 projects)
Composting toilets, shower loop, feminine protection, …
Health (10.4% – 105 projects)
Herbalism, natural cosmetics, …
Mobility (10.3% – 104 projects)
Cargo bike, sailing, biodiesel, …
Communication (5.1% – 51 projects)
Ham radio, local internet, recycled computer, …
Clothing (0.9% – 9 projects)
Clothing