C
Cetacea -- Congresses  [1]
Cetacis -- Congressos  [1]
Cities and towns -- Growth -- Congresses  [1]
City planning -- Environmental aspects -- Congresses  [1]
Climatic changes -- Catalonia -- Congresses  [1]
Climatic changes -- Catalonia -- Girona -- Congresses  [1]
Climatic changes -- Congresses  [14]
Coastal zone management -- Catalonia -- Congresses  [2]
Coastal zone management -- Congresses  [1]
Coastal zone management -- La Pletera -- Congresses  [1]
Coastal zone management --Catalonia -- Congresses  [1]
Contaminació acústica -- Congressos  [1]