The objective of the course is to familiarize the students with the use and applications of radiative transfer models in studying problems in the scientific field of Physics of the atmospheric environment. For this course the freely available radiative transfer model “libRadtran” is used. The students start with the installation of the model in their personal computers. The methods and sources for importing to the model the required input data for different applications are presented and analyzed. The students perform exercises to determine the sensitivity of the model results on the input data and on the accuracy of the radiative transfer equations solver. Different input data mining sources are discussed including satellite and ground observations. Model exercises are performed to study simple problems of atmospheric physics that are related to solar and terrestrial radiation, as well as applications of the model on the management of remote sensing atmospheric and radiation measurements.