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.

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.

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.

Meet Alfonso Caldiero | Early Career Scientist

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Alfonso Caldiero, an Italian researcher from near Naples, is close to completing his PhD in geodesy, focusing on spacecraft trajectories around small bodies such as asteroids and comets. His research develops methods to infer an asteroid’s internal mass distribution from gravity field measurements, contributing to the analysis of data from current and upcoming space missions.

Last Call: Join the Geodesy Cartoon Competition Before March 22!

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Last chance to join the Geodesy Cartoon Competition! 🎨 Submit your creative idea by March 22, 2026, and win up to 900 €. Team up or use AI to bring it to life!

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.

ISC Statement on International Scientific Collaboration

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International Scientific Collaboration: Vital Yet Vulnerable The Governing Board of the International Science Council (ISC) has released a powerful statement highlighting the urgent need to protect and strengthen global cooperation in science.…

Spotlight on Young Researchers – ECSNet Video Series

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The IUGG Early Career Scientist Network (ECSNet) launched a video series highlighting Early Career Scientists (ECSs) from all IUGG Associations, including several actively involved in the IAG. This blog series at IAG website will feature selected videos with short profiles, offering insights into the research, motivation, and career paths of the next generation of geodesists.