CCHRG research activities aim to identify and analyze quantitatively and qualitatively extreme geographic phenomena (natural and anthropogenic natural hazards), to assess the risks they induce in territorial systems and to develop prevention and planning plans (scenarios) for optimal management of territorial opportunities and vulnerabilities in order to implement certain benchmarks of sustainable development. Addressing hazards (natural, social, technogenic, etc.) and associated risks is a relatively recent and highly topical issue in the field of Geography, which requires, first and foremost, the integration of specialized knowledge from a wide range of disciplines belonging mainly to physical and technical Geography, such as: