Professor Dr. Urs Niggli: Soil Fertility in Organic Agriculture.

Our best shot at cooling the planet might be right under our feet

Jason Hickel

9th October 2013. ICOAS Organic Policy Summit. Prof. Dr. Urs Niggli,
Research Institute of Organic Agriculture (FiBL)

Seeds and Harvest of Hope -
An evening with Dr. Jane Goodall and Prof. Dr. Urs Niggli

TIPI Workshop: A Vision for Organic Food and Farming Research at the Global Level (Feb 2014)