India, March 21 -- Climate change is worsening global heat exposure, with Africa bearing the brunt of its effects, according to a new analysis by Climate Central. It is based on the non-profit's Climate Shift Index (CSI) that measures how climate change alters the frequency of daily temperatures worldwide, quantifying its role in rising heat levels.

Positive CSI levels 1 to 5 indicate temperatures that are increasingly likely in today's climate. A CSI level of 2 means the temperature is at least 2 times more likely in today's climate than in a world without human-caused climate change

Climate Central's report, released on March 19, analysed daily temperatures in 220 countries to understand where there was unusual heat and how climate ch...