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Sand overextraction weakening riverbanks as concrete demand soars
Research finds demand has more than doubled since 2000 and 80% of current demand comes from Asia A booming demand for concrete has resulted in sand and gravel being extracted from riverbeds faster than nature can replenish it. A study published in Reviews of Geophysics shows that the demand for sand and gravel has more than doubled in the last two decades, with overextraction leading to weaker riverbanks, lower groundwater levels, coastal salt intrusion and poorer water quality. In 2024, city-building and infrastructure projects around the world turned 28bn tonnes of sand and gravel into concrete. Researchers reviewed data on sand and gravel extraction going back to 1974 and have shown that since 2000 demand has more than doubled, with more than 80% of current demand coming from Asia, supporting urban development and road-building across China and India in particular. They found much of
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Research finds demand has more than doubled since 2000 and 80% of current demand comes from Asia A booming demand for concrete has resulted in sand and gravel being extracted from riverbeds faster than nature can replenish it. A study published in Reviews of Geophysics shows that the demand for sand and gravel has more than doubled in the last two decades, with overextraction leading to weaker riverbanks, lower groundwater levels, coastal salt intrusion and poorer water quality. In 2024, city-building and infrastructure projects around the world turned 28bn tonnes of sand and gravel into concrete. Researchers reviewed data on sand and gravel extraction going back to 1974 and have shown that since 2000 demand has more than doubled, with more than 80% of current demand coming from Asia, supporting urban development and road-building across China and India in particular. They found much of
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According to The Guardian’s source item, Sand overextraction weakening riverbanks as concrete demand soars, Research finds demand has more than doubled since 2000 and 80% of current demand comes from Asia A booming demand for concrete has resulted in sand and gravel being extracted from riverbeds faster than nature can replenish it. A study published in Reviews of Geophysics shows that the demand for sand and gravel has more than doubled in the last two decades, with overextraction leading to weaker riverbanks, lower groundwater levels, coastal salt intrusion and poorer water quality. In 2024, city-building and infrastructure projects around the world turned 28bn tonnes of sand and gravel into concrete. Researchers reviewed data on sand and gravel extraction going back to 1974 and have shown that since 2000 demand has more than doubled, with more than 80% of current demand coming from Asia, supporting urban development and road-building across China and India in particular. They found much of
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The development sits in VINI’s Science file for readers following research, health, climate, space, medicine, and scientific institutions. The original report is linked so readers can check the source account, follow later updates, and compare new coverage against the first published record. The source item is dated 2026-08-26T05:00:35+00:00.
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Primary source: Sand overextraction weakening riverbanks as concrete demand soars via The Guardian. VINI cites and links the source; it does not reproduce the publisher’s full article text without rights clearance.
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- Sand overextraction weakening riverbanks as concrete demand soarsThe Guardian - 2026-08-26T05:00:35+00:00
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