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THU5.3: Water security: responses to local, regional, and global challenges
Session organized by UNESCO & IHP and co-convened by ICHARM & ICIWaRM
Water security: responses to local, regional, and global challenges
United Nations Educational, Scientific and Cultural Organization (UNESCO)
Water resource challenges are increasingly taking on a global dimension among governments due to increasing water scarcity and uncertainty with the associated effects on people and livelihoods, energy, food and ecosystems. Human activities have disrupted the natural hydrological and ecological regimes. Besides, the societal and environmental challenges linked to water-related issues are staggering in many cases. Moreover the vulnerability of our societies have increased and the number of fatalities as well as the economic damages caused by water-related disasters, such as floods, droughts and landslides is dramatically increasing worldwide, mainly as a result of our increased impact on the environment. The most important global driver that will significantly change water-related risks in the near future is population growth and its spatial and temporal dynamics. Other drivers, such as land-use changes, urbanization, migration patterns, energy issues, food production, are all derived from population change and economic development. In addition, climate change and variability will likely exacerbate the risk with more uncertainties.