Many tentative connections have been postulated between migration and climate. This article points to rural-urban migration, particularly into low elevation urban slums prone to flooding as an issue needing urgent attention by health professionals. It also notes the no-man's land in which environmental refugees find themselves and the consequences this may have. Finally, it points to the urgent need to reform health systems in both developing and developed countries to adapt to rapidly changing disease patterns and to become more responsive to them.

[No Keywords available]

Vulnerable Populations vulnerable population World Health urban population refugee poverty Population Dynamics human Refugees rural population disaster climate health Humans Disasters Article migration Poverty Areas Emigration and Immigration Transients and Migrants environmental health