Dive into the chilling hypothetical scenario of a world where all the ice caps and glaciers suddenly melt overnight. We'll look at some of the environmental impacts, including widespread flooding, dramatic sea-level rise, increased droughts, extreme weather patterns, and the looming threat of mass extinctions. There will also be massive geographical transformations, such as new water bodies and changes in habitability. We'll also consider the potential political and social upheavals, from a worldwide refugee crisis to the colonization of habitable lands.