CAGGA 2026 Successfully Held in Changsha, China

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CAGGA 2026 in Changsha gathered 2,300+ experts, featuring 7 forums, 7 sessions, and 800+ presentations, highlighting advances in geodesy across China.

Meet Julia Pfeffer – Early Career Scientist

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Julia Pfeffer is a French research engineer specializing in monitoring the global water cycle through satellite geodetic measurements. Since 2020, she has led satellite gravimetry activities at Magellium and currently heads major ESA and CNES projects. With a PhD in Geophysics, she has contributed to GRACE solutions, developed key geodetic datasets, and authored over 25 scientific publications.

International Geological Congress IGC 2028 – First Circular

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CGU joins IGC 2028 in Calgary (Aug 12–20). Submit Geomatics & Geodesy sessions (gravity, GNSS, tectonics, hydrology, sea level) by March 2027 to highlight geodesy’s role in global challenges.

Annual Report 2025 of IAG to IUGG

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ACTIVITIES IAG Scientific Assembly 2025 IAG has held its quadrennial Scientific Assembly halfway through its four-year term 2023-2027. It took place in-person in Rimini (Italy) on September 1-5, 2025. Under the theme “Geodesy for a changing…

Meet Guilhem Chicot – Early Career Scientist

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Guilhem Chicot is a French early-career scientist in geophysics and a PhD student at the Royal Observatory of Belgium and KU Leuven. His research explores how geophysical fluids such as the atmosphere, oceans, and hydrosphere influence Earth’s rotation, with a focus on understanding the impacts of climate change on timekeeping and positioning systems.

Geodesy for a Resilient Africa Summer School (2026)

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Registration is now open for the Geodesy for a Resilient Africa Summer School 2026, an intensive hands-on training in Limbé, Cameroon (29 June–3 July 2026) focused on using geodetic and satellite data for climate resilience. Open exclusively to African students, researchers, and practitioners. Registration runs from 6 February to 8 March 2026.

New Website: Discover the Importance of VLBI for Geodesy and Society

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This accessible and visually engaging explainer introduces the fundamentals of Very Long Baseline Interferometry (VLBI) and shows how radio telescopes around the globe measure distances of thousands of kilometres with millimetre precision. It highlights contributions to the International Terrestrial Reference Frame, satellite navigation, and Earth observation, and showcases Australia’s role in global VLBI operations.

Call for IAG proposals for the IUGG Grants Program 2024-2027

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The 2nd call for proposals for 2026–2027 is now open. Projects must involve at least two IUGG bodies, follow open science principles, and address scientific and societal challenges. Proposals via IAG must be submitted by 13 March 2026 for internal selection.

IAG News – New Ways to Stay Connected

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Since June 2025, IAG news is centrally published as blog posts on the new website. Updates are available via mailing lists, social media, RSS feed, and a monthly PDF Newsletter. The redesigned PDF Newsletter (since January 2026), now issued by the IAG Secretariat at BEV in Austria, summarizes key developments and is accessible online and via the Journal of Geodesy.

IAG Becomes UN-GGCE Partner

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The IAG has partnered with the UN Global Geodetic Center of Excellence (UN-GGCE) to strengthen the Global Geodesy Supply Chain. Beyond this technical contribution, the partnership drives joint outreach and strategic projects. A standout collaboration is the new Geodesy Job Portal at geodesy.science/jobs, a central hub connecting global talent with international career opportunities in geodetic science.