**Preface to "Natural and Technological Hazards in Urban Areas: Assessment, Planning and Solutions"**

This reprint contains fourteen (14) scientific papers related to floods, landslides, earthquakes, water and soil contamination, vegetation restoration, hazard and risk assessment. These contributions are republications of published papers in the Special Issue of the journal *Sustainability*, entitled "Natural and Technological Hazards in Urban Areas: Assessment, Planning and Solutions". This reprint presents the importance of studying natural and technological hazards in urban planning.

This reprint is directed to scientists, researchers, and readers who are interested in natural and technological hazards. The editors wish to thank the contributors and the *Sustainability* journal editorial staff for their support, whose professionalism and dedication have made this Special Issue possible. Finally, we kindly thank all authors for their participation and contribution to the volume, as well as all reviewers who have diligently reviewed the submitted manuscripts, and substantially contributed to the high quality of these published papers. We also highly appreciate the editorial support provided by the *Sustainability* journal.

**George D. Bathrellos, Hariklia D. Skilodimou, Konstantinos G. Chousianitis, and Charalampos Vasilatos** *Editors*

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