Naturkatastrophe Natural disasters 25 Catastrophes naturelles 24 SOCIAL SCIENCE 24 NATURE 15 Natural Disasters 15 Disasters & Disaster Relief 13 Disasters 11 Catastrophes 10 Disaster relief 10 HISTORY 10 History 10 Histoire 9 Secours aux victimes de catastrophes 9 Social aspects 9 Aspect social 8 Emergency management 8 disasters 8 natural disasters 8 General 7 Évaluation du risque 6 Climatic changes 5 Êtres humains 5 Human beings 5 Katastrophenmanagement 5 Relief Work 5 BIOGRAPHY & AUTOBIOGRAPHY 4 Changements 4 Climat 4 Hurricane Katrina, 2005 4