Two billion people, including many Australians, will find themselves living in dangerously hot places this century if global warming reaches 2.7℃, research released today reveals.
The authors calculated how many people would be left outside the “human climate niche” by 2100. The niche is defined as places with an average temperature of about 13℃, or about 27℃ in the tropics. Human population has historically peaked in these areas.
