50 Years From Now, Many Densely Populated Parts of the World Could be Too Hot for Humans

By 2070, the world’s habitable climate zone will shift so much that billions of people will be pushed past human comfort levels if more isn’t done to rein in global warming, a new study warns. Places that are considered to have ideal temperatures for human living are set to see major shifts in climate, with cities like Los Angeles and Paris baking in fiery desert temperatures, it says.