Breadcrumb Home Journal Geosciences No. 9: Observing systems for a dynamic Earth Journal Geosciences No. 9: Observing systems for a dynamic Earth Share 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 and knowledge of the subsurface Discovering the Earth Sciences Researcher Student Citizen, citizen's group Cover of Issue 9 of the Géosciences journal. © BRGM Géosciences journal No. 9 Read the journal online To find out more Buy the journal Other news All the news