1. SIGNIFICANCE OF EFFECTIVE EARLY WARNING SYSTEMS FOR COMMUNITY AND ENVIRONMENTAL SAFETY. Authors: ALEXANDRU OZUNU, EMIL ROMAN.2. EARLY WARNING SYSTEMS FOR DISASTER RISK REDUCTION: A CASE STUDY IN NORTH-WEST OF ROMANIA. Authors: ALEXANDRU OZUNU, VIOREL ARGHIUȘ, ADRIANA DÎNCU, DAN CHIRIBUCĂ, KOZMA KIS ELISABETA-EDITA, LUCRINA ȘTEFĂNESCU, EMIL ROMAN.3. A RISK ASSESSMENT STUDY FOR LOCAL CRITICAL INFRASTRUCTURES USED IN HAZMAT TRANSPORTATION. Authors: ALEXANDRU OZUNU, ZOLTÁN TÖRÖK, EMIL ROMAN, ANDREI RADOVICI.