Introduction -- Ecosystem of sloping terrain, soil and vegetation -- Landslides are a double-edged sword -- Strain and Stress -- Landslide dynamics -- SEGMENT-Landslide and applications on various climatic zones -- Changes in extreme precipitation in a future warming climate -- Landslides impact on sea level rise -- Modeling the debris flows in the aftermath of the 2007 Southern California Wildfires -- Opportunity and challenges in a remote sensing era -- The path forward: Landslides in a future climate -- Mathematical skills required to fully understand SEGMENT-Landslide -- Appendix 1: Pressure fields within a simplest granular media - A comment on a recent Science article on locomotors running over sands -- Appendix 2: Cluster analysis -- Appendix 3: Scarp size distribution, who are the players? -- Appendix 4: Basic tensor (and vector) operations -- Appendix 5: GPD analysis of extreme precipitation -- Appendix C1: Lax-Windoff scheme of various order of accuracy (1D followed by a higher order scheme implemented in SEGMENT-Landslide -- Appendix C2: 1D thermal equation solver (semi-implicit C-N scheme).