Breadcrumb Home Journal Geosciences No. 9: Observing systems for a dynamic Earth Journal Geosciences No. 9: Observing systems for a dynamic Earth Share and save This Geosciences issue explains the vital role our planet’s geological activity in the fundamental dynamics of living systems, including for humans. 1 April 2009 Geology Discovering the Earth Sciences Researcher Student Citizen, citizen's group Geosciences journal Cover of Issue 9 of the Géosciences journal. © BRGM Read the journal online To find out more Buy the journal More news Annual report BRGM's annual report for 2025: a year of transformation and growth 10 July 2026 Press release Groundwater tables on 1 September 2026 8 August 2026 Annual report Mineral resources: OFREMI publishes its 2025 annual report 25 August 2026 News Groundwater levels on 15 August 2026 20 August 2026 All our news