Breakdown by field
Energy (48.2% – 456 projects)
Rocket stove, solar oven, wind turbine, biogas, …
Food (33.7% – 319 projects)
Lactofermentation, Spirulina, Mushrooms, …
Water (28.3% – 268 projects)
Biosand filter, ram pump, solar desalinator, phyto-purification, …
Farming (26.2% – 248 projects)
Permaculture, Hydroponics, Mushroom cultivation, …
Waste (26.1% – 247 projects)
Vermicomposting, Black Soldier Fly, Plastic recycling machines, …
Housing (25.5% – 241 projects)
Soil-straw building, bioclimatic houses, yurt, …
Materials (20.6% – 195 projects)
Myco-materials, Cob, Vegetable Leather, …
Tools (17.4% – 165 projects)
Pedal-powered machines, hand-tools, DIY farming machines, …
Hygiene (13.2% – 125 projects)
Composting toilets, shower loop, feminine protection, …
Health (10.1% – 96 projects)
Herbalism, natural cosmetics, …
Mobility (9.2% – 87 projects)
Cargo bike, sailing, biodiesel, …
Communication (4.4% – 42 projects)
Ham radio, local internet, recycled computer, …