Global pollution of environmental matrices; climate change impacts and adaptation; desertification; nitrate and fossil fuels related pollution. Atmosphere composition, residence times, dynamic and PBL. Main air pollutants: acid rains, O3, Nox, Sox, VOCs, particulate matter, asbestos and radon. Hydrosphere: oceanic and continental waters: major and trace elements, nutrients composition. N, O, cycles pollution by N, eutrophication, hydrocarbons and their properties DNAPL etc., POPs, COV, dioxins, heavy metals. Bacterial pollution. Soil: evolution, physio-chemical characteristics, main pollutants. Planning and execution of water sampling, in situ physio-chemical measures according to law standards. Spectrophotometric analysis of NH4, NO2, NO3, PO4, COD, Cl, SO4. BOD5 determination. TXRF analysis of trace metals in environmental matrices. Statistical data elaboration, classification and comparative diagramming.