Analysis shows at least $2.8tn in damage from 2000 to 2019 through worsened storms, floods and heatwaves
Date: October 9, 2023
Complete Article: The Guardian
Storms, floods, heatwaves and droughts have taken many lives and destroyed swathes of property in recent decades, with global heating making the events more frequent and intense. The study is the first to calculate a global figure for the increased costs directly attributable to human-caused global heating.
It found average costs of $140bn a year from 2000 to 2019, although the figure varies significantly from year to year. The latest data shows $280bn in costs in 2022. The researchers said lack of data, particularly in low-income countries, meant the figures were likely to be seriously underestimated. Additional climate costs, such as from crop yield declines and sea level rise, were also not included.
The central estimate was an average climate cost of $140bn a year, with a range from $60bn to $230bn. These estimates are much higher than those from computer models, which are based on changes in average global temperature rather than on the extreme temperatures increasingly being seen in the world.