Appropedia is for collaborative solutions
in sustainability, appropriate technology and poverty reduction.
Contributors have made 274,988 edits and uploaded 21,269 files. Browse our categories or all 6,212 articles.
Appropedia is for collaborative solutions
in sustainability, appropriate technology and poverty reduction.
Contributors have made 274,988 edits and uploaded 21,269 files. Browse our categories or all 6,212 articles.