Vulnerability defines the inherent weakness in certain aspects of the urban environment with are susceptible to harm due to social, biophysical, or design characteristics. (Rashed and Weeks, 2002)
Katharina Thywissen, Components of Risk: A Comparative Glossary (No. 2/2006), United Nations University Institute of Environment and Human Security (UNU-EHS), ISBN: 3-9810582-0-8 (printed version), ISBN: 3-9810582-1-6 (electronic version), Bonn, Germany 2006. http://www.ehs.unu.edu/file/get/8335, (Dzstr, Rsk, Vul, Haz, etc. - Amer) {796}