WASHINGTON, United States (AFP) — An area of intensely warm weather — a so-called “extreme heat belt” — with at least one day per year in which the heat index hits 125 Fahrenheit (52C), is expected to cover a US region home to more than 100 million people by the year 2053, according to a new study. The research, carried out by nonprofit First Street Foundation, used a peer-reviewed model built with public and third-party […]