About Hans-Peter Schmidt Hans-Peter Schmidt leads the Delinat Institute of Ecology and Climate Farming in the Swiss canton of Valais. Books by Hans-Peter Schmidt Terra Preta How the World's Most Fertile Soil Can Help Reverse Climate Change and Reduce World Hunger by (author) Ute Scheub, Haiko Pieplow, Hans-Peter Schmidt & Kathleen Draper foreword by Tim Flannery translated by Jamie McIntosh Terra Preta How the World’s Most Fertile Soil Can Help Reverse Climate Change and Reduce World Hunger by (author) Ute Scheub contributions by Kathleen Draper, Haiko Pieplow & Hans-Peter Schmidt foreword by Tim Flannery