this has major impacts for the provisioning of water sanitation and hygiene services in areas affected by disasters due to damaged water and sanitation infrastructure and water quality issues it is also a very significant challenge to provide adequate water and sanitation services to the areas that receive people who have been displaced from disasterstruck areas the magnitude of these displacements is extremely high in asia and the pacific with respectively million and million people internally displaced in the people s republic of china and india in due to floods and million people in the philippines due to typhoons the same year idmc in addition to hitting the poorest disasters can also cause the near poor those living on between us and us per day to fall into poverty as shown in figure unescap with over of urban residents living in lowlying coastal zones these cities and towns in asia and the pacific are particularly vulnerable to climate change and natural disasters disasters are also found to have impacts on gross domestic product gdp school enrolment rates and per capita expenditure on health unescap