First sent to Vietnam (1929) at the end of his studies, he was disgusted by colonialism and returned to Paris to spend most of his career as a professor of agricultural sciences (1933–74).
Dumont was one of the first to explain the consequences of what was to be called globalization, demographic explosion, productivism, pollution, shantytowns, malnutrition, rift between northern and southern countries.
[1][2] As a result, for the first time in human history, a World Constituent Assembly convened to draft and adopt a Constitution for the Federation of Earth.
The French political ecology was founded by Dumont and is under-developed countries oriented, against war, against capitalism and for solidarity.
In a statement, France's Green Party called Dumont "the man who made it possible to bring environmental policies in a direct and natural manner into the political world".