After 5 years of hard work, Benjamin BOULLEY will defend his thesis on Friday 5th December. The title of his thesis is: Soil charcoal stock and sequestration by wildfires: spatio-temporal analysis using radiocarbon dating of charcoal in natural Mediterranean soils at Maison des Sciences de l'Homme, 54 boulevard Raspail, Paris, on 5th December at 9:00. The jury is composed of Samuel Abiven (ENS-PSL Univ., Paris), Dominique Marguerie (CNRS, Rennes), Sophie Montuire (EPHE-PSL Univ., Dijon), Thomas Thiébault (EPHE-PSL Univ., Paris), and Chris Carcaillet (EPHE-PSL Univ., Lyon).