How a temperature rise of 2 degrees Celsius impacts billions | DW News

About 2 billion people will live in hazardous heat conditions by the end of the century if climate policies continue on their current trajectory, according to new research published in the Nature Sustainability journal. That represents 23% of the projected global population.

If the climate warms more drastically — a potential scenario under current policies — about 3.3 billion people could face extreme temperatures by the end of the century.

The study, led by scientists at the UK's University of Exeter and Nanjing University in China, found that 60 million people are already exposed to dangerous heat levels, characterized by an average temperature of 29 degrees Celsius (84.2 degrees Fahrenheit) or higher.


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