IDDRI Science
The vulnerability issue is relevant for drawing up a panorama of the weaknesses and the strengths of a
territory in face of natural hazards, at the crossroads of various determinants (spatial configuration,
societal cohesion, environmental sensitivity, economic diversification, territorial coherence and level
of development). In parallel, we argue that because of the numerous and partly irreducible climatic and
anthropogenic uncertainties, it remains very speculative to try to directly measure the level of