ABSTRACT

Water is an essential element for the well-being of humanity and a basic requirement for proper functioning of every living organism and the ecosystems. It is also a critical input for the production and sustainable growth in cultural practices such as agriculture, aquaculture/sheries, livestock, and forestry. e

most important factor is to ensure a sucient amount of quality water for the system sustainability. is situation becomes worse as climate change hazards are introduced. For example, there is a severe crisis of sucient amount of quality water (mostly natural and sometimes treated water having no health risks) in the present world. Arnell [7] shows that by 2025, 5 billion people out of 8 billion will experience shortage of quality water. According

75.1 Introduction ............................................................................................................................ 979 75.2 Cause and Eect: e Climate Change Saga ...................................................................... 980 75.3 Climate Change Diversication Towards Water Regimes ................................................ 981 75.4 Many Solutions to Climate Change: Adaptation but Confusion .....................................982 75.5 Is Water Reuse One of the Best Options? .............................................................................983 75.6 Denition of Water Reuse for the Case of Climate Change Adaptation ........................983