News
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New research has uncovered new evidence to suggest that Earth is leaking gases from deep inside its mantle, even in regions without any volcanic activity. The study reveals that gases including helium and argon are slowly seeping hundreds of kilometres up through Earth’s crust. The highest amount of gas was... read more...
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The gin-clear waters of the Kilsby sinkhole, a popular freshwater diving site, provide visibility of up to 65 metres. But water levels have dropped 1.5 metres between January and March 2025. It’s a long-term decline: the vast groundwater network in the limestone crust that straddles the border between South Australia... read more...
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Previously untapped heat from a mine water treatment scheme in Wales is now being harnessed to provide low-carbon heating. The mine water is naturally warm due to geothermal energy from the earth’s crust and heat retained from its time circulating through underground rock layers and former coal mines. An innovative... read more...
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The city of Bengaluru and its surrounding peri-urban areas have been grappling with severe groundwater depletion, driven primarily by over-extraction. The administrative focus remains largely on technical and financial fixes — laying pipelines, ensuring capital investment. Researchers argue that more emphasis needs to be placed on effective water resource management.... read more...
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Land in South Africa has been rising at the rate of 2 millimetres per year, according to a recent report, thought to be due to hot magma rising from the Earth’s mantle. But, loss of water during droughts may have caused the earth’s surface to bounce up as an elastic... read more...
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Pakistan’s agriculture sector is becoming increasingly dependent on groundwater due to multiple factors, including declining river flows, erratic rainfall, expansion of water-intensive rice and sugarcane crops, increased cropping intensity, and more recently, the widespread adoption of solar-powered tubewells that offer minimal operating costs, which encourages indiscriminate pumping of groundwater. But... read more...
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New research suggests that streamflow arising from snow-capped mountains is complicated. Researchers found that most mountain snowfall has a years-long invisible journey as groundwater before it leaves the mountains in streams. Determining the age of mountain streamflow is a prerequisite for predicting how mountain hydrology will respond to changes in... read more...
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Iraqi farmers facing scarce rainfall and repeated droughts are drilling wells in the desert to reach groundwater sources and sustain their irrigation systems. While the underground reservoirs help mitigate agricultural losses, it may be a risky move as aquifers across the world are depleting fast than they replenish. Find out... read more...
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After a winter that was slightly drier than usual, the extremely dry spring is putting the Dutch water system under pressure. Groundwater levels have dropped significantly below the normal level for this time of year in many areas. Find out more https://www.naturetoday.com/intl/en/nature-reports/message/?msg=33767 read more...
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Research suggests climate change, increased monsoon rainfall and expanded groundwater pumping have driven substantial vegetation growth in the Thar Desert over the past two decades. Continued greening appears possible, as climate models project a 20% to 50% increase in mean annual precipitation through the end of the century under both... read more...
National Chapters
Local professional, scientific and social benefits and promotion of sustainable groundwater use
Commissions & Networks
Contributing to the science of groundwater and undertaking outreach, education and training
Publications
Information about IAH’s Hydrogeology Journal and books
Education
Resources, materials and links for the general public, students and professionals
