Water Wheel May/June 2023: Opinion

Abstract

Isotope hydrology: An indispensable tool in the hydrogeologist’s toolbox Every year on 22 March World Water Day is celebrated around the world. This day is designated by the United Nations to focus on the of freshwater and its sustainable management, and provides an opportunity to raise awareness about the global water crises and the need to conserve and protect this vital resource. According to the United Nations, more than 2 billion people lack access to safe drinking water, and by 2050, up to 5.7 billion people could be living in areas with water scarcity. In Sub-Saharan Africa, for example, an estimated 40% of the population lacks access to basic water services, and more than 300 million people do not have access to improved sanitation facilities. Based on this we are seriously off-track to meet Sustainable Development Goal (SDG) 6: water and sanitation for all by 2030. The use of isotope hydrology is a powerful tool that can help meet Sustainable Development Goal (SDG) 6, which aims to ensure the availability and sustainable management of water and sanitation for all.

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