Karachi, December 20, 2022 (PPI-OT):Water scarcity has become a serious threat to Pakistan’s sustainable development and economic growth. In addition to surface water, Pakistan’s groundwater resources – the last resort of water supply are severely overdrawn, mainly to supply water for irrigation. If the situation remains unchanged, Pakistan may face an alarming level of water scarcity by 2025.
These views were expressed by scientists and policy advisors speaking at a seminar on ‘Climate Change and Water-related Challenges in Pakistan: Tangible Solutions’ organised by the Aga Khan University’s Institute for Global Health and Development and the national hub of United Nations’ Sustainable Development Solutions Network.
The two-day conference brought together national and global experts and climate change officials from the Provincial and Federal Government to share their evidence-based views on how water safety, security, and population health can be achieved.
In his keynote address, Professor James Wescoat, Aga Khan Professor at the Massachusetts Institute of Technology, spoke about climate change and critical water problems in the Indus Basin of Pakistan. He expressed serious concerns about increased flooding and drainage problems getting worse by 2050, especially in the lower Indus Basin. ‘We must support bold and pragmatic approaches to reconstruction, including water and climate research networks and Indus Basin models with health and well-being at the core’, he stated.
Water plays a critical role in thermoregulation. Open water can decrease the air temperature by evaporation, absorption of heat, and transport of heat. This was addressed in the second keynote speech by Dr Nausheen H Anwar, Professor and Network Director, Karachi Urban Lab, Institute of Business Administration. She underscored that Pakistan needs resilient cooling pathways in the face of rising temperature and extreme heatwaves. ‘For cooling resiliency and adaptation, Pakistan needs reliable, affordable, and sustainable energy’, she asserted.
Pakistan’s water crisis is primarily explained by rapid population growth, climate change, poor agricultural sector practices, water mismanagement, inefficient infrastructure, and water pollution. The World Resources Institute has ranked countries by their water stress and categorised them into five levels: extremely high, high, medium-high, low-medium, and low baseline water stress. Pakistan ranks 14th among the 17 ‘extremely high baseline water stress’ countries of the world. However, water stress is just one dimension of water security. Like any challenge, its outlook depends on management. Some of the most arid and water-stressed countries, including Saudi Arabia and Namibia, have effectively secured their water supplies through proper management.
In his introductory remarks, Dr Zulfiqar A. Bhutta, Distinguished University Professor and Founding Director of the IGHD at AKU, underscored the nexus of water security and nutrition in Pakistan and that one cannot be managed without sustaining the other. ‘Water is an equal threat as nutrition to the development of the country. By 2016, there were only 1,000 cubic meters of water left for each person in Pakistan – which is the borderline requirement’, he mentioned, while speaking about growing water insecurity in the country.
Around 96% of the country’s freshwater is used for agriculture, a sector which constituted nearly 23% of its GDP in 2021. Nevertheless, Pakistan continues to depend on a single river system and unreliable water infrastructure. Adding to these factors are impacts of climate change, including frequent floods, droughts, and the accelerated melting of glaciers in the north of the country. The health and nutrition consequences of the large-scale devastation caused by a recent episode of floods are unfortunate examples and call for urgent and collaborative action at all governance and policy levels.
Dr Abid Suleri, Executive Director, Sustainable Development Policy Institute, Mr Ali Tauqeer Sheikh, Former Founding Director of LEAD Pakistan, and Engr. Dr Tahir Hayat, CEO of Diamer Basha Consultants Group also spoke at the event. The Institute for Global Health and Development is an interdisciplinary, research-intensive initiative of the Aga Khan University to tackle major global health and development challenges in South and Central Asia and Sub-Saharan Africa. It is leading efforts to advance health and health-related Sustainable Development Goals and coordinate national and global research to influence broad multi-sectoral response.
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