In his conference contribution »Ecotopianism: A Philosophical Conception« Thapa develops the approach he introduced in »Handbuch Umweltethik« (in German).
Thapa, P.P. 2016. Ökotopismus. In: Ott, K., Dierks, J., Voget-Kleschin, L. (Hg.): Handbuch Umweltethik. Stuttgart: J.B. Metzler, S. 207–212.
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