Fragmento de Portada

June 5, 1972

In society, in today’s humanity, there is on the other hand great destruction of natural resources.  …It is still not resolved, and far from it, how humanity is going to find sources to replace that energy, and today oil is being destroyed in the same way the forests were destroyed.

05/06/2023

Referencia en texto plano: 

Speech at the University of Agrarian Sciences of Godollo in Hungary