Sonja Buchmann

Politics, Community, and Environment
Bern
Umweltverantwortung jetzt!
by Junge Grüne | Jeunes Vert·e·x·s | Giovani Verdi

Food, Startup, and Environment
Zürich
veganna – Kücheneinrichtung
by veganna

Science, Food, and Environment
Zürich
CO₂-Score of all foods
by Manuel Klarmann and Judith Ellens

Agriculture
Wiesendangen
Aufbau SoLaWi
by www.kräuter-paradies.ch