Global warming of more than 3°C this century may wipe 40% off the world’s economy, new analysis reveals

Thu, 3 Apr 2025 03:22:59 +1100

Andrew Pam <xanni [at] glasswings.com.au>

Andrew Pam
<https://theconversation.com/global-warming-of-more-than-3-c-this-century-may-wipe-40-off-the-worlds-economy-new-analysis-reveals-253032>

"The damage climate change will inflict on the world’s economy is likely to
have been massively underestimated, according to new research by my colleagues
and I which accounts for the full global reach of extreme weather and its
aftermath.

To date, projections of how climate change will affect global gross domestic
product (GDP) have broadly suggested mild to moderate harm. This in part has
led to a lack of urgency in national efforts to reduce greenhouse gas
emissions.

However, these models often contain a fundamental flaw – they assume a national
economy is affected only by weather in that country. Any impacts from weather
events elsewhere, such as how flooding in one country affects the food supply
to another, are not incorporated into the models.

Our new research sought to fix this. After including the global repercussions
of extreme weather into our models, the predicted harm to global GDP became far
worse than previously thought – affecting the lives of people in every country
on Earth."

Cheers,
       *** Xanni ***
--
mailto:xanni@xanadu.net               Andrew Pam
http://xanadu.com.au/                 Chief Scientist, Xanadu
https://glasswings.com.au/            Partner, Glass Wings
https://sericyb.com.au/               Manager, Serious Cybernetics

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