Johannes Hirn, PhDinAge of AwarenessOne football pitch per personHow much land do we need for crops and energy, and how much space do we have on Earth?Dec 13, 2019Dec 13, 2019
Johannes Hirn, PhDinAge of AwarenessWe already grow enough crops to feed an extra 10 billion peopleWhere does all the spare food go?Nov 28, 20195Nov 28, 20195