1. PARTICULATE MATTER, HEAVY METALS AIR POLLUTION AND INTENSITY OF THE URBAN TRAFFIC. STUDY CASE - CLUJ-NAPOCA CITY. Authors: ILDIKO VARGA, CARMEN ROBA, IOVANCA HAIDUC.2. THE HEAVY METALS IMPACT ON SURFACE WATER AND SOIL IN THE NON-SANITARY MUNICIPAL LANDFILL “PATA RÂT”- CLUJ NAPOCA. Authors: TIBERIU FRENTIU, ANTOANELA POPOVICI, ILDIKO VARGA, GABRIELA-EMILIA POPIŢA, RALUCA MARIANA HAŢEGAN.