Climate change to cause income reductions by 2050

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A study published in Nature shows a troubling economic future for the world unless urgent action is taken to control climate change

According to researchers from the Potsdam Institute for Climate Impact Research (PIK), even with significant reductions in CO2 emissions starting today, the global economy is already set to suffer an income reduction of 19% by 2050 due to the impacts of climate change.

The economic damage of climate change

The study, which analysed data from over 1,600 regions worldwide over four decades, shows the economic damages totalling $38 trillion annually by 2050.

These damages are mainly driven by rising temperatures, changes in rainfall patterns, and increased weather variability.

Maximilian Kotz, a scientist at PIK and lead author of the study, emphasised that no region will be safe, with North America and Europe expected to experience significant income reductions alongside more severe impacts in South Asia and Africa.

The economic consequences come from the climate-related disruptions affecting crucial elements of economic growth, such as agriculture, labour productivity, and infrastructure.

Leonie Wenz, who led the study, warned that these damages are the result of past emissions and stressed the need for immediate adaptation efforts and drastic emission cuts to mitigate future losses.

Failure to act quickly, she warned, could lead to even larger economic losses, with potential global income reductions of up to 60% by the end of the century.

“Our analysis shows that climate change will cause massive economic damages within the next 25 years in almost all countries around the world.”

Inequality of climate impact

Some countries that are less responsible for emissions are set to suffer the most severe consequences. This sets a burden on tropical nations which are already experiencing higher temperatures and are least equipped to adapt.

Anders Levermann, Head of the Research Department at PIK and co-author of the study urged a structural shift towards renewable energy sources to secure our future and prevent fateful outcomes. He emphasised that stabilising the planet’s temperature weighs on transitioning away from fossil fuels.

Taking action now to combat climate change could protect our economies, otherwise we are at risk of economic repercussions driven by a warming planet.

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