Al Imfeld, Lotta Suter, Elefanten in der Sahara, www,rotpunktverlag.ch
African Organic Agriculture Training Man.; www.organic-africa.net/training-manual.html
Jana Revedin, architecture professor; www.revedin.com
Thomas Gröbli, urban renewal; www.neustartschweiz.ch
Nikolai Räber, worm compost recycling; www.wormup.ch
Daniel Elber, water project Bali; www.zukunft-fuer-kinder.ch
Peter Baumgartner, slum school Nairobi; www.gentianaschool.org
Kurt Pfister, reforestation; www.greenethiopia.org
Hawa Mkwela, reforestation; www.rotarymissiongreen.org
Paolo Lugari; founder Gaviotas; www.friendsofgaviotas.org
Leoluca Orlando, urban reneval Palermo; www.sosballaro.it
Marta H. Wisniewska, „Building from waste“, Birkhäuser Verlag
Christiane Brockes, telemedicine Tanzania; www.africaaminialama.com
Erboristi Lendi SA, organic products; www.erboristi.ch/?lang=en
Future Generations Commissioner for Wales; www.futuregenerations.wales
Scotland Performs; www.gov.scot/About/Performance/scotPerforms
Case Study from Argentina; www.desertificacion.gob.ar
ECHO East africa impact center; www.echonet.org/east-africa-impact-center-1/
Mobisol Group | Innovative Off-Grid Solar Solutions; www.plugintheworld.com
Carmatech Engineering, Agrocultural support; www.camartec.go.tz
DITSL GmbH Witzenhausen - tropical agriculture; www.ditsl.org/en/
University of Hohenheim, agricultural sciences; www.uni-hohenheim.de/en/english
Pope Francis, LAUDATO SI’, On Care of our Common Home