société (humaine) (4) pollution de l'air (3) Air--Pollution (3) Asthma (2) érosion (1) abords (agglomération) (1) Case (1) Strategy (1) Landscapes (1) Grammar, Comparative and general--Case (1) Example (1) Evaluation (1) Erosion (1) Case (1) Tax assessment (1) Erosion (1) Bassin (1) Paysage (1) Exemple (1) Paysage (1) territoire (1)