Von Liebig was quoted by Marx who, in my view could be counted among the
environnementalists. This point is developped in a paper coauthored with
Ms Ferrari and H. Hanusch (Augsburg University, prepared for the
Georgescu-Roegen Conference, Strasbourg, November 1998
Marx, Schumpeter and Georgescu-Roegen : Three conceptions of the
evolution of economic systems? "
The paper can be downloaded at
http://lirhe.univ-tlse1.fr/publications/notes/385-04.pdf
Alain Alcouffe