Thomas Frei

Politics, Community, and Environment
Basel
Klimablatt
by Klimablatt - Für eine Politik der Fakten!

Agriculture, Community, and Environment
Zurich, Aarau, and Lucerne
Permakultur Vision Birchhof
by Matthias Brück

Agriculture, tourism, and Environment
São Marcos da Serra and Urnäsch
Permaculture? Portugal!
by KevinB and Urs