Assessment and management of vegetation and green areas ti prevent damage caused by extreme weather events

In the last five years, our country has experienced a gradual increase in extreme weather events, as floods, landslides, hurricanes and typhoons, storm surges, droughts and long periods of heat or frost. Extreme weather events (climate change?) have periodically repeated that can no longer be considered contingent and their frequency is going to increase. In this new climate contest, the vegetation can play important and different roles. During storms and flooding, trees can become dangerous falling for the tipping of the root plate or for the breaking of branches and stems. On the contrary, vegetation can filter stormwater pollution and regulate runoff, green areas can facilitate water infiltration with the realization of bio-retention gardens, green roofs, constructed wetlands and grassed swales. In this scenario, the proposed study concerns two topics: a) Assessment and prevention of the instability of the trees, in general and in particular the pines which are elements of identity of the coastal landscape and not only, with innovative methods such as the use of sensors and simulation software, cabling and bracing that can preserve the existing trees and alert municipalities before their fall. b) Process analysis and simulation models to assess the influence of different green constructions on biodiversity, stormwater retention, runoff process and water pollution filtration. The final objectives will be to get some models of green assessment and managing for the urban environment risk mitigation.