Thursday 11 August 2022

‘Weather extremes could destabilise entire socioeconomic systems’

‘Weather extremes could destabilise entire socioeconomic systems’

Entire socioeconomic systems could be destabilised as a consequence of extreme weather and its cascading effects.

New research by PLoS Climate has found that compound extreme events - such as recent heatwaves which combine heat and drought can trigger a disruption to an "interconnected web" of sectors that interact in direct and indirect ways.

The authors point out that the most cascading processes and interlinkages center around the energy, health, agriculture and food production sectors.

They suggest response measures for one sector could bring negative effects on other sectors.

To reach the findings, the team initially reviewed studies of eight historical heat and drought extreme events in Europe, Africa and Australia.

Then, they compiled examples of interlinked impacts on several critical services and sectors.

The research suggests extreme weather events can cause "very significant" financial losses that range from several hundred millions to several billions dollars.

In extreme cases, such as during the 2019/20 Australian bushfires these losses can amount to $100 billion (£81.6bn), equivalent to more than 5% GDP loss, the analysis concludes.

Recently, the UK and France saw record temperatures combined with prolonged periods of drought.

Written by

Bruna Pinhoni

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