The need to analyse and prepare for peoples’ vulnerability to natural hazards could be rooted in the sustainable livelihoods (SL) approach, and in development work which aims to reduce the elements of vulnerability that are a result of poverty. As such, vulnerability analysis (VA) may help to bring humanitarian work in line with [development organizations’] other main objective and tie it in with the sustainable livelihoods approach.

Social Vulnerability, Sustainable Livelihoods and Disasters
http://nirapad.org/admin/soft_archive/1308222298_Social%20Vulnerability-%20Sustainable%20Livelihoods%20and%20Disasters.pdf