A Solution for Haiti
Currently, Haiti needs water pumps desperately because the earthquake has broken many of them. This is a life threatening situation. A permaculture solution would be to use the existing energy (humans) to handle the situation with a bicycle or teeter totter (see saw) pump. Gaviotas in Columbia has piloted these and they are now used in Africa and many other places. A teeter totter pump could be created out of existing materials lying around…..