For all his genuflections towards classical Marxism, Putz Proyect there, http://www.mail-archive.com/marxism@lists.panix.com/msg53891.html has morphed over the yrs. to a position like a John Zerzan, the anti-industrial anarchist.
<http://lists.econ.utah.edu/pipermail/a-list/2003-November/028402.html>
"Capitalism is not the cause of species extinction and other forms of eco-crisis. *Civilization* is. As soon as urban, class-based societies came into existence, a whole number of contradictions were introduced despite the absence of capitalist property relations. It is only through the abolition of civilization and the re-integration of village and countryside through communism that these contradictions can be overcome."