Mass wasting

Consider the following questions: 
1) What is the current history of the theme of Mass Wasting? What is special? 
2) Is Mass Wasting the main participant in this study? For example, the history and evolution of the theme? 
3) What main processes (physics and/or chemistry) are involved in Mass Wasting? 
4) How does Mass Wasting affect the world today? And how will it affect our thinking and ease our survival on this planet? 
5) What impact does Mass Wasting have on the human environment and economic significance? 
6) Is Mass Wasting a topic worthy of human attention? If it is the reason and explanation, if not, the explanation"