Note: Intro -- Organizational Structure of the Fifth World Landslide Forum -- Organizers -- Co-sponsors -- Supporting Organizations with Finance -- Organizing Committee -- Foreword by Mami Mizutori -- Foreword by the Assistant Director-General for the Natural Sciences Sector of UNESCO for the Book of the 5th World Landslide Forum -- Preface -- Understanding and Reducing Landslide Disaster Risk -- Book Series: ICL Contribution to Landslide Disaster Risk -- The Letter of Intent 2005 and the First General Assembly 2005 -- The 2006 Tokyo Action Plan and the First World Landslide Forum 2008 -- The Second World Landslide Forum 2011 and the Third World Landslide Forum 2014 -- The Sendai Landslide Partnerships 2015 and the Fourth World Landslide Forum 2017 -- The Fifth World Landslide Forum 2020 and the Kyoto Landslide Commitment 2020 -- Call for Partners of KLC2020 -- Eligible Organizations to be Partners of the KLC2020 -- Appendix: World Landslide Forum Books -- Contents -- Forum Lectures and Special Lectures -- 1 On the Prediction of Landslides and Their Consequences -- Abstract -- Introduction -- Landslide Prediction -- Where Landslides Occur and Where They can be Expected -- Landslide Detection and Mapping -- Susceptibility Modelling and Zonation -- Predicting Non-susceptible Landslide Areas -- Predicting When Landslides Can Occur -- Process-Based Models -- Rainfall Thresholds -- Geographical Landslide Early Warning Systems -- Long-Term Landslide Projections -- Size and Number of Landslides -- Landslide Consequences -- Vulnerability -- Risk to the Population -- Final Remarks -- Acknowledgements -- References -- 2 Design Recommendations for Single and Dual Debris Flow Barriers with and Without Basal Clearance -- Abstract -- Introduction -- Analytical Framework for Dual Rigid Barriers -- Velocity Attenuation Impact Model -- Overflow Dynamics -- Landing. , Physical Modelling of Flow-Barrier Interaction -- Five Metre-Long Flume Modelling -- Twenty-Eight-Metre-Long Flume Modelling -- Observed Impact Mechanisms -- Single Rigid Barrier -- Single Flexible Barrier -- Rigid Barrier with Basal Clearance -- Dual Rigid Barriers -- Estimating the Impact Load on Single Barriers with and Without Basal Clearance -- Evaluation of Analytical Framework for Dual Rigid Barriers -- Run-up velocity (vd) -- Overflow Distance (xi) -- Landing Factor (Cr) -- Impact Force on Second Rigid Barrier -- Summary and Conclusions -- Looking Ahead -- Acknowledgements -- References -- 3 The Rockfall Failure Hazard Assessment: Summary and New Advances -- Abstract -- Introduction -- The Challenges of Rockfall Hazards -- The Rockfall Risk and Hazard -- Hazard Versus Susceptibility -- Site-Specific or Regional Assessment -- Elements that Control the Rockfall Failure Hazard -- Geotechnical Basics -- Field Surveys -- 3D Techniques -- Geometrical Methods -- Using Slope -- Empirical Approaches -- Susceptibility to Earthquakes -- Kinematic Tests -- Pure Geometrical Kinematic Tests -- Kinematic Tests Integrating Stress Tensor -- Kinematic Tests Integrating Geomechanics and Probabilistic Approaches -- Kinematic Test in Real 3D -- Power Law and Inventories -- Volume Power Laws -- The Drawback of Power Laws -- Other Types of Inventories -- Hazard Rating Based on Geomechanics Factors -- Back Analysis -- Using Rockfall Modeling to Assess Failure Susceptibility -- Fragmentation at Source -- Remarks -- Processes Mainly Driven by Groundwater and Precipitation -- Weathering -- Rainfall Effect -- Rock Breathing -- Process Mainly Driven by Thermal Effects -- Sunshine Effect and Associated Thermal Effects -- Freezing and Thawing -- Rock Stability Degradation -- Short-Term Rockfall Forecast -- New Techniques -- Discussion and Conclusion -- Acknowledgements. , References -- 4 Progress and Lessons Learned from Responses to Landslide Disasters -- Abstract -- Introduction -- Types of Landslide Response -- Factors Affecting Landslide Response -- Mechanism and Type -- Number and Geographic Extent -- Size -- Potential for Continued Activity -- Location -- Cultural Setting -- Providing Event Context-Looking to the Past -- Addressing Ongoing Hazards-Focusing on the Present -- Acquiring Data-Improving the Future -- Progress in Responding to Landslide Disasters -- Preparation -- Advances in Technology -- Communications and Collaborations -- General Experiences -- Conclusions -- Acknowledgements -- References -- 5 Behind-the-Scenes in Mitigation of Landslides and Other Geohazards in Low Income Countries-in Memory of Hiroshi Fukuoka -- Abstract -- Introduction -- In Action -- Desk Study -- Diagnosis of Present Conditions -- Monitoring -- Conservation Policies and Management -- Discussion -- Conclusion -- Acknowledgements -- References -- 6 The Impact of Climate Change on Landslide Hazard and Risk -- Abstract -- Introduction -- Causes and Impact of Climate Change -- Effects of Climate Change on Landslide Susceptibility -- Prediction of Climate Trends -- Potential Effects of Climate Change on Landslide Hazard -- A State-of-the-Art on Slope Safety Preparedness for the Impact of Climate Change: The 2015 International Forum -- Needs for Improved Climate Change Related Landslide Risk Management -- Recommendations for Improved Climate Change Related Landslide Risk Management -- Conclusions -- Acknowledgments -- References -- Sendai Landslide Partnerships, Kyoto Landslide Commitment, and International Programme on Landslides -- 7 Kyoto 2020 Commitment for Global Promotion of Understanding and Reducing Landslide Disaster Risk -- Abstract -- Preparation Process of the KLC2020 -- Launching of the KLC2020. , Full text of Kyoto Landslide Commitment 2020 -- Kyoto 2020 Commitment for Global Promotion of Understanding and Reducing Landslide Disaster Risk -- A Call for Joining the Commitment -- Host Organization and Secretariat -- Appendix: Signatories of Kyoto Landslide Commitment 2020 as of 23 June 2020 -- 8 International Consortium on Landslides (ICL): Proposing and Host Organization of SLP2015-2025 and KLC2020 -- Abstract -- Objectives -- Histories -- Activities -- Memberships and Benefits -- Call for ICL Members -- 9 The ICL Journal Landslides-16 Years of Capacity Development for Landslide Risk Reduction -- Abstract -- Introduction -- Materials and Methods -- Categories of Articles in Landslides -- Journal Metrics -- Clarivate Analytics' Web of Knowledge (WoK) -- Elsevier SCOPUS Database -- Results and Discussion -- Impact and Rankings of Landslides -- Impact and Rankings of Landslides -- Highly Cited Papers in Landslides -- Most Downloaded Papers in Landslides -- Landslides' Best Paper Award -- Comparison Between SCI Journals: Landslides, Engineering Geology, Earth-Science Reviews, Geomorphology, and Bulletin of Engineering Geology and the Environment -- International Cooperation as seen Through Multi-authorship of Published Articles in Landslides -- Conclusions -- Acknowledgements -- References -- 10 UNITWIN-UNESCO/KU/ICL Landslide, Earthquake and Water-related Disaster Risk Management for Society and the Environment Cooperation Programme -- Abstract -- Introduction -- Products of UNITWIN-UNESCO/KU/ICL Cooperation Programme -- Recently published papers in Kyoto University of the UNITWIN-UNESCO/KU/ICL Network -- Appendix -- 11 International Programme on Landslides (IPL): A Programme of the ICL for Landslide Disaster Risk Reduction -- Abstract -- Introduction -- Categories of Landslides (Core of All IPL Activities). , Management of the International Programme on Landslides (IPL) -- Activities of WCoEs -- Objectives of WCoE -- Criteria for WCoE Candidates -- Guidelines for WCoE -- Procedure for Identification of WCoEs -- Activities of IPL Projects -- Call for Cooperation to WCoEs and IPL Projects -- Appendix -- 12 SATREPS Project for Sri Lanka with Regard to "Development of Early Warning Technology of Rain-Induced Rapid and Long-Travelling Landslides" -- Abstract -- Introduction -- Outline of Project RRLL -- Main Implementing Agency and Collaborating Entities in Sri Lanka -- National Building Research Organization (NBRO), Ministry of Defence -- Department of Meteorology (DOM), Ministry of Defence -- Disaster Management Centre (DMC), Ministry of Defence -- Department of Irrigation (DOI), Ministry of Mahaweli, Agriculture, Irrigation and Rural Development -- Pilot Study Sites -- Aranayake Landslide Area -- Athwelthota Landslide Area -- Technologies to Be Developed -- Precise Weather Forecast in Mountain Regions -- Predicting Groundwater Pressure Build-Up, Identifying Locations of RRLLs and Their Moving Areas -- Effective Risk Communication and Public Education -- How the Project has Come Up with Conclusions of Official Agreements -- Summary -- Acknowledgements -- References -- 13 Central Asia-Rockslides' and Rock Avalanches' Treasury and Workbook -- Abstract -- Introduction -- Variability of Large-Scale Slope Failures Manifestations in Central Asia -- The Kokomeren Summer School on Rockslides and Related Phenomena -- Future Plans and Conclusive Remarks -- Acknowledgements -- References -- 14 Results of Recent Monitoring Activities on Landslide Umka, Belgrade, Serbia-IPL 181 -- Abstract -- Introduction -- Study Area -- Previous Monitoring Activities (2010-2014) -- Automated GNSS Monitoring -- Recent Monitoring Activities (2014-2019) -- Geodetic Benchmarks Survey. , UAV Imaging and Mapping.