The University of Helsinki, Institute for Atmospheric and Earth System Research (UHEL-INAR) and the Lund University (LU) are pleased to announce the intensive course “First steps in Biosphere-Atmosphere Modelling” to be held at the Lund University (10-20 June 2019; Lund, Sweden). During the course, everyone will program an atmospheric boundary layer model with chemistry and aerosol dynamics, including: equations of flow for the atmospheric boundary layer with the first order turbulence closure, 1D column model and numerical solution, emissions of biogenic volatile organic compounds (BVOCs) from vegetation, modelling of chemical kinetics by systems of differential equations, deposition of aerosols and numerical solutions for aerosol formation and growth. See more information.