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Unprecedented continental drying, shrinking freshwater availability, and increasing land contributions to sea level rise
July 25, 2025--Abstract
Changes in terrestrial water storage (TWS) are a critical indicator of freshwater availability. We use NASA GRACE/GRACE-FO data to show that the continents have undergone unprecedented TWS loss since 2002. Areas experiencing drying increased by twice the size of California annually, creating "mega-drying" regions across the Northern Hemisphere.
While most of the world's dry/wet areas continue to get drier/wetter, dry areas are now drying faster than wet areas are wetting.
Changes in TWS are driven by high-latitude water losses, intense Central American/European droughts, and groundwater depletion, which accounts for 68% of TWS loss over non-glaciated continental regions. "Continental drying" is having profound global impacts. Since 2002, 75% of the population lives in 101 countries that have been losing freshwater water. Furthermore, the continents now contribute more freshwater to sea level rise than the ice sheets, and drying regions now contribute more than land glaciers and ice caps. Urgent action is required to prepare for the major impacts of results presented.
Tidal Trust I files with the SEC-SonicSharesTM Global Shipping ETF
July 24, 2025-Tidal Trust I has filed a Form N-1A Post-Effective Amendment, Registration Statement with the SEC for the SonicShares Global Shipping ETF.
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ETF Series Solutions files with the SEC-AAM Todd International Intrinsic Value ETF
July 24, 2025-ETF Series Solutions has filed a Form N-1A Post-Effective Amendment, Registration Statement with the SEC for the AAM Todd International Intrinsic Value ETF.
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Tidal Trust II files with the SEC-Even Herd Long Short ETF
July 24, 2025-Tidal Trust II has filed a Form N-1A Post-Effective Amendment, Registration Statement with the SEC for the Even Herd Long Short ETF.
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Collaborative Investment Series Trust files with the SEC-Goose Hollow Multi-Strategy Income ETF
July 24, 2025-Collaborative Investment Series Trust has filed a Form N-1A Post-Effective Amendment, Registration Statement with the SEC for the Goose Hollow Multi-Strategy Income ETF.
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EA Series Trust files with the SEC-MKAM ETF
July 24, 2025-EA Series Trust has filed a Form N-1A Post-Effective Amendment, Registration Statement with the SEC for the MKAM ETF.
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Investment Managers Series Trust II files with the SEC-Alternative Access First Priority CLO Bond ETF
July 24, 2025-Investment Managers Series Trust II has filed a Form N-1A Post-Effective Amendment, Registration Statement with the SEC for the Alternative Access First Priority CLO Bond ETF.
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Spend Life Wisely Funds Investment Trust files with the SEC-Wisdom Short Duration Income ETF
July 24, 2025-Spend Life Wisely Funds Investment Trust has filed a Form N-1A Post-Effective Amendment, Registration Statement with the SEC for the Wisdom Short Duration Income ETF.
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Founder Funds Trust files with the SEC-Founders 100 ETF
July 23, 2025-Founder Funds Trust has filed a Form N-1A Registration Statement with the SEC for the Founders 100 ETF.
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PGIM ETF Trust files with the SEC-3 Corporate Bond ETFs
July 23, 2025-PGIM ETF Trust has filed a Form N-1A Post-Effective Amendment, Registration Statement with the SEC for the
PGIM Corporate Bond 0-5 Year ETF
PGIM Corporate Bond 5-10 Year ETF
PGIM Corporate Bond 10+ Year ETF.
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