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Scientists blame climate change for ‘extreme drought’ in Iraq, Iran and Syria

The “extreme” drought gripping Iraq, Syria and Iran would not have occurred without climate change caused by burning fossil fuels.

The scientists warned that 'long-lasting severe droughts like these are no longer rare events' — © AFP
The scientists warned that 'long-lasting severe droughts like these are no longer rare events' — © AFP
Tony GAMAL-GABRIEL

The “extreme” drought gripping Iraq, Syria and Iran would not have occurred without climate change caused primarily by burning fossil fuels, scientists said Wednesday, warning that punishing dry spells will become more intense as the world warms.

High temperatures due to human-caused climate change made the drought “much more likely to happen” — about 25 times more likely in Syria and Iraq and 16 times more likely in Iran, according to the World Weather Attribution (WWA) group.

“Human-induced climate change has increased the intensity of such a drought such that it would not have been classified as a drought in a 1.2C cooler world,” said the scientists.

It found that existing vulnerability from “years of conflict and political instability” also reduced people’s ability to respond to the drought, sparking a “humanitarian disaster”.

The research focused on the period from July 2020 to June 2023 in two regions where impacts have been most severe: Iran, and the basin of the Tigris and the Euphrates, the rivers that cross Syria and Iraq.

Both regions are currently experiencing an “extreme drought” as classified by the US Drought Monitor scale, said the scientists in a statement.

“After quite good rains in 2020 and good harvests, three years of very low rainfalls followed with very high temperatures led to a drought with very severe impacts on agricultural access to potable water,” said co-author Friederike Otto, of the Grantham Institute at Imperial College London.

– ‘Not so optimistic’ –

In an online briefing, co-author Mohammad Rahimi from Iran’s Semnan University, called for better resource management.

“Historically we didn’t have a lot of rain so this is normal for our region, but the increase in temperature is a new topic,” he said.

Rising temperatures in coming years threaten to evaporate much of the region’s precipitation, according to Rahimi.

“We anticipate that we will have more evaporation and transpiration from the plants so am not so optimistic for the future,” he added.

In Iraq, one of the world’s leading oil producers, and in war-torn Syria, AFP journalists regularly observe the repercussions of climate change and the drought’s impacts on the most vulnerable populations.

Both countries have seen a drastic drop in agricultural production in recent years, particularly among wheat farmers.

Reduced river flows and water pollution have left little catch for fishermen.

– Water stress –

By September 2022, the drought had displaced nearly two million people living in rural areas in Syria, according to the WWA.

In Iran, water shortages have “led to tensions with neighbouring countries” and soaring food prices, the statement said.

Conflicts over water are also on the rise in Iraq, where a recent UN report found one in five citizens in the country of 43 million people already suffered from water insecurity.

High levels of water stress are exacerbated by a multitude of factors, including inefficient irrigation methods, outdated water treatment plants and rapid population growth.

Key water systems are also increasingly sabotaged during conflicts.

The scientists warned that “long-lasting severe droughts like these are no longer rare events”.

Instead, they can be expected to occur once every decade in Syria and Iraq, and twice every decade in Iran.

“With every degree of warming, Syria, Iraq and Iran will become even harsher places to live,” said Rahimi.

AFP
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With 2,400 staff representing 100 different nationalities, AFP covers the world as a leading global news agency. AFP provides fast, comprehensive and verified coverage of the issues affecting our daily lives.

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