Scientists expect 41% of the projected global population to face the extremes, with ‘no part of the world’ immune Scientists expect 41% of the projected global population to face the extremes, with ‘no part of the world’ immune The number of people living with extreme heat will more than double by 2050 if global heating reaches 2C, according to a new study that shows how the energy demands for air conditioners and heating systems are expected to change across the world. No region will escape