Environmental aspects 13 Dissertations, Academic 12 Dissertations 11 Pollution 9 Air 8 Atmospheric carbon dioxide 8 Mathematical models 7 Measurement 7 Atmospheric electricity 6 Atmospheric diffusion 5 Atmospheric chemistry 4 Atmospheric ozone 4 Atmospheric circulation 3 Environmental protection 3 Greenhouse effect, Atmospheric 3 Lightning 3 Ocean-atmosphere interaction 3 Atmosphere 2 Atmospheres 2 Atmospheric pressure 2 Atmospheric radiation 2 Atmospheric temperature 2 Atmospheric turbulence 2 Carbon dioxide 2 Carbon dioxide mitigation 2 Climatic changes 2 Computer simulation 2 Gas lasers 2 Optical radar 2 Radioactive pollution of the atmosphere 2