Solution:The United Nations has identified 17 SDGs (Sustainable Development Goals-SDGs) which have to be realised by the year 2030. Among these goals SDG-6 "Clean Water and Sanitation" ensures availability and sustainable management of water and sanitation for all. Today, 2.2 billion people lack access to safely managed drinking water, and more than 4.2 billion people lack safely managed sanitation.The 17 goals under the Sustainable Development Goals are as mentioned below:
1. End poverty in all its forms everywhere
2. End hunger, achieve food security and improved nutrition and promote sustainable agriculture
3. Ensure healthy lives and promote well being for all at all stages
4. Ensure inclusive and equitable quality education and promote lifelong learning opportunities for all
5. Achieve gender equality and empower all women and girls
6. Ensure availability and sustainable management of water and sanitation for all
7. Ensure access to affordable, reliable, sustainable and modern energy for all
8. Promote sustained, inclusive and sustainable economic growth, full and productive employment and decent work for all
9. Built resilient infrastructure, promote inclusive and sustainable industrialisation and foster innovation
10. Reduce inequalities within and among countries
11. Make cities and human settlements inclusive, safe, resilient and sustainable
12. Ensure sustainable consumption and production pattern
13. Take urgent actions to combat climate change and its impact
14. Conserve and sustainably use the oceans, seas and marine resources
15. Protect, restore and promote sustainable use of terrestrial ecosystems, sustainably managed forests, combat desertification and halt and reverse land degradation and halt biodiversity loss
16. Promote peaceful and inclusive societies for sustainable development, provide access to justice for all and build effective, accountable and inclusive institutions at all levels
17. Strengthen the means of implementation and revitalise the global partnership for sustainable development.