Our activities and technologies

Energy efficiency

– solar cookers
– solar dryers
– fireless (basket) cookers
– energy saving clay stoves (firewood and charcoal)
– permanent brick stoves with a metal chimney (firewood)
– gasifier stoves producing biochar (any dry biomass)
– improved earth kiln for charcoal production

Agroforestry

– colleciting seeds
– selling seedlings, flowers and flowerpots
– training farmers about use of on-farm trees
– encouraging farmers to esablish their own tree nurseries
– promotion of nitrogen fixing trees and indigenous trees

Tree species we have: Calliandra calothyrsus, Leucaena trichandra, Sesbania sesban, Tephrosia candida, Jatropha curcas, Gravellia robusta, Croton megalocarpus, Moringa, Neem, ...

Soil improvement

– providing nitrogen by NFT's
– recovering soil productivity by introducing biochar
– planting trees to prevent soil erosion and land slides
– composting green manure
– construction of composting toilets

Water purification

– testing water for coliform bacteria
– solar pasteurization
– SODIS method (sterilization by solar UV light)
– slow sand filtration