UN warns of water collapse threatening food supply

A new UN report states that humanity has caused permanent damage to the planet's water systems. Groundwater reservoirs are emptying and lakes are drying up, endangering food supplies for billions of people. Sweden will also be affected by the crisis.

According to a recent UN report, humanity has caused irreversible damage to the Earth's water systems. The report emphasizes that it is no longer a temporary water crisis, as groundwater reservoirs are depleting and lakes are drying up at an accelerating rate. This endangers the food supply for billions of people worldwide, with direct consequences for import-dependent countries like Sweden.

DN's Peter Alestig describes in an analysis how we have now entered an era of global water crisis. Cities are sinking into the sea due to overexploitation of groundwater, and military experts warn of a wave of conflicts over water resources. Tensions are rising in the shadow of events in Venezuela and Greenland, and in the worst case, it could lead to wars over water. The hunt for water is having increasingly severe consequences, and Sweden will also feel the effects through disrupted global trade and higher food prices.

The report and analysis were published on January 20, 2026, and highlight the need for immediate actions to protect water systems.

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Dried-up reservoir near Tehran with officials and residents amid worsening water crisis, highlighting potential rationing and evacuation risks.
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Tehran faces possible rationing — and even evacuation — as reservoirs hit historic lows

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Iran’s capital is confronting a worsening water crisis after officials warned the main reservoir has roughly two weeks of supply left. President Masoud Pezeshkian said that if rains do not arrive soon, Tehran will begin water rationing and, if drought persists, could be forced to evacuate parts of the city.

A United Nations report warns that Earth has entered an era of water bankruptcy, driven by overconsumption and global warming. Three in four people live in countries facing water shortages, contamination or drought, as regions deplete groundwater reserves that take thousands of years to replenish. Urgent better management is needed to address the economic, social and environmental fallout.

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A recent UN report warns of looming 'water bankruptcy' globally, worsened by climate change. It advocates for transparent water accounting and equitable distribution. In India, Himalayan regions are experiencing snow droughts that impact water supplies.

Following a major water leak in Varberg, the local waterworks has resumed producing drinking water, but residents are urged to conserve it to restore levels. The boil-water advisory remains in place, and the municipality activated its emergency water plan on Wednesday, deploying water tankers for distribution.

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A new report from the EU's Scientific Advisory Board on Climate Change, ESABCC, outlines how the union's food production can adapt to climate change to reduce emissions and avoid food shortages. Climate change is already causing significant losses in agriculture, especially in southern Europe. Measures such as drought-resistant crops and redirected subsidies are proposed to address the threats.

Researchers have found that shifting ocean temperature patterns, such as El Niño and La Niña, prevent droughts from synchronizing across the planet, affecting only 1.8% to 6.5% of Earth's land at once. This discovery, based on over a century of climate data, suggests a natural safeguard for global food supplies. The study highlights how these patterns create regional variations rather than widespread dry spells.

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Researchers at the University of Texas at Austin have found that the El Niño-Southern Oscillation (ENSO) synchronizes extreme wet and dry conditions across continents. Their study, based on satellite data from 2002 to 2024, reveals how these climate patterns drive simultaneous water crises worldwide. The findings highlight a shift toward more frequent dry extremes since around 2012.

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