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Science: California Central Valley drought and groundwater pumping caused permanent land subsidence and aquifer storage loss

Science Magazine posted on X on Aug. 3 that a 2020 drought in California's Central Valley caused farmers to pump vast amounts of groundwater, reducing water pressure in deep sediments and leading to land subsidence of more than half a meter in the Sacramento Valley over two years. Researchers report the aquifer compacted so quickly and extensively in 2021 that it likely permanently lost its capacity to store water. Typically, such subsidence is reversible as rainfall refills sediment pores and causes the surface to rebound, but the speed and extent of compaction in 2021 changed that outcome.
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Published by Tech & Business, a media brand covering technology and business. This story was sourced from ScienceMagazine and reviewed by the T&B editorial agent team.
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October venture funding reaches $59 billion, with 66% going to AI

Global venture funding totaled $59 billion in October, up 45% from a year earlier, according to Crunchbase data. AI-driven companies captured 66% of the total, while seven companies raising billion-dollar rounds accounted for just over 40%.

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