• Friday, Sep 17, 2021
  • Last Update : 06:53 pm

Economists: Climate change will deepen global divide

  • Published at 08:41 pm March 30th, 2021
Concern over rich-poor divide seen on the increase during pandemic
A homeless sleeps on a mattress next to his belongings at an entrance of a closed hotel, after Catalonia's government imposed new Covid-19 restrictions, in Barcelona on January 6, 2021 Reuters

The projected economic damage due to climate change is estimated to reach $1.7T per year by 2025

Nearly nine in 10 leading global climate economists think climate change will deepen income inequality between rich and poor countries, with most calling for urgent action to cut planet-warming emissions, a survey showed on Tuesday.

The impacts of rising temperatures could create "enormous difficulties" for nations already burdened by economic challenges and high rates of poverty, said the research by New York University's Institute for Policy Integrity.

In the largest ever global expert survey published on the economics of climate change, nearly three-quarters of the more than 730 respondents said "immediate and drastic action" was needed to cut emissions.

The findings come as nations update their plans to reduce emissions ahead of November's UN COP26 summit, to meet the 2015 Paris accord of limiting the rise in average temperatures to 1.5°C above pre-industrial times.

Economists think governments may be underestimating the potential costs of climate change, such as the impact of extreme weather and economic disruption, as they weigh up the costs of policies to reduce emissions, the authors said.

"There seems to be extremely high concern about the risks of climate change," said Derek Sylvan, the institute's strategy director and co-author of the survey, which interviewed economists published on climate issues in top-ranking journals.

According to a consensus in the survey, projected economic damage from climate change is estimated to reach $1.7 trillion per year by 2025 and about $30 trillion annually by 2075, if the current warming trend continues.

The most severe impacts will be felt in developing countries, due to factors such as higher dependence on agriculture and vulnerability to extreme heat, Sylvan told the Thomson Reuters Foundation

He said the costs would be felt worldwide, due to spillover effects such as the disruption of trade routes and supply chains, and refugee crises caused by climate impacts.

In the survey, 70% of respondents also anticipated that climate change would increase inequality within countries, widening the gap between the poorest and richest thirds of national populations.

The authors added that the cost of reducing emissions is dropping quickly as the price of solar and wind generation plummets, with 65% of economists expecting similar cost-reduction patterns for other clean technologies.

"With the costs of clean technologies falling all the time, ambitious climate action is not just the right thing to do for the planet, it's the right move for the economy, too," said Sam Hall, director of the UK-based Conservative Environment Network, in a statement.

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