tailieunhanh - Water Security in a Changing Environment: Concept, Challenges and Solutions

This paper captures the persistently changing dimensions and new paradigms of water security providing a holistic view including a wide range of sustainable solutions to address the water challenges. | water Review Water Security in a Changing Environment Concept Challenges and Solutions Binaya Kumar Mishra 1 Pankaj Kumar 2 Chitresh Saraswat 3 Shamik Chakraborty 4 and Arjun Gautam 1 1 School of Engineering Pokhara University Pokhara 33700 Nepal bkmishra@ . . 2 Natural Resources and Ecosystem Services Institute for Global Environmental Strategies Hayama 240-0115 Japan 3 The Fenner School of Environment amp Society Australian National University Acton Canberra 2601 Australia 4 Faculty of Sustainability Studies Hosei University Tokyo 1-2-8160 Japan Correspondence kumar@ Tel. 81-046-855-3858 ext. 3058 Abstract Water is of vital and critical importance to ecosystems and human societies. The effects of human activities on land and water are now large and extensive. These reflect physical changes to the environment. Global change such as urbanization population growth socioeconomic change evolving energy needs and climate change have put unprecedented pressure on water resources systems. It is argued that achieving water security throughout the world is the key to sustainable development. Studies on holistic view with persistently changing dimensions is in its infancy. This study focuses on narrative review work for giving a comprehensive insight on the concept of water security its evolution with recent environmental changes . urbanization socioeconomic etc. and various implications. Finally it presents different sustainable solutions to achieve water security. Broadly water security evolves from ensuring reliable access of enough safe water for every person Citation Mishra . Kumar P. at an affordable price where market mechanisms are involved to lead a healthy and productive Saraswat C. Chakraborty S. life including that of future generations. The constraints on water availability and water quality Gautam A. Water Security in a Changing Environment .