Average person will be 40% poorer if world warms by 4C, new research shows
Economic models have systematically underestimated how global heating will
affect people’s wealth, according to a new study that finds 4C warming
will make the average person 40% poorer – an almost four-fold increase on
some estimates.
The study by Australian scientists suggests average per
person GDP across the globe will be reduced by 16% even if warming is kept
to 2C above pre-industrial levels. This is a much greater reduction than
previous estimates, which found the reduction would be 1.4%. Scientists now
estimate global temperatures will rise by 2.1C even if countries hit
short-term and long-term climate targets.
Guardian 1st April 2025,
https://www.theguardian.com/environment/2025/apr/01/average-person-will-be-40-poorer-if-world-warms-by-4c-new-research-shows
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