"A world with enough food for all, produced by healthy people in a healthy environment." That is the vision of Hans R. Herren and his foundation Biovision. The foundation is active in the development, dissemination and application of ecological methods in Africa, with a focus on preparing information. By passing on practical expertise and exchanging knowledge, Biovision increases the self-reliance of those living in Kenya, Uganda, Tanzania and Ethiopia and improves their understanding of...