The network Sustainable Economics offers free educational material for students. Currently the material is only available in German. However we are trying to offer these data in English as soon as possible.

By now German educational material is published of the following two books. Please click on the book cover or in the menu to download them. 

Rogall, Holger "Nachhaltige Ökonomie" Ökonomische Theorie und Praxis einer Nachhaltigen Entwicklung 562 Seiten ISBN 978-3-89518-765-0 Metropolis Verlag Marburg 2009
Rogall, Holger "Volkswirtschaftslehre für Sozialwissenschaftler" Eine Einführung 455 Seiten ISBN 978-3531145389 VS Verlag für Sozialwissenschaften Wiesbaden 2006