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Global Go To Think Tank Index (GGTTI) 2020 launched                    111,75 Think Tanks across the world ranked in different categories.                SDPI is ranked 90th among “Top Think Tanks Worldwide (non-US)”.           SDPI stands 11th among Top Think Tanks in South & South East Asia & the Pacific (excluding India).            SDPI notches 33rd position in “Best New Idea or Paradigm Developed by A Think Tank” category.                SDPI remains 42nd in “Best Quality Assurance and Integrity Policies and Procedure” category.              SDPI stands 49th in “Think Tank to Watch in 2020”.            SDPI gets 52nd position among “Best Independent Think Tanks”.                           SDPI becomes 63rd in “Best Advocacy Campaign” category.                   SDPI secures 60th position in “Best Institutional Collaboration Involving Two or More Think Tanks” category.                       SDPI obtains 64th position in “Best Use of Media (Print & Electronic)” category.               SDPI gains 66th position in “Top Environment Policy Tink Tanks” category.                SDPI achieves 76th position in “Think Tanks With Best External Relations/Public Engagement Program” category.                    SDPI notches 99th position in “Top Social Policy Think Tanks”.            SDPI wins 140th position among “Top Domestic Economic Policy Think Tanks”.               SDPI is placed among special non-ranked category of Think Tanks – “Best Policy and Institutional Response to COVID-19”.                                            Owing to COVID-19 outbreak, SDPI staff is working from home from 9am to 5pm five days a week. All our staff members are available on phone, email and/or any other digital/electronic modes of communication during our usual official hours. You can also find all our work related to COVID-19 in orange entries in our publications section below.    The Sustainable Development Policy Institute (SDPI) is pleased to announce its Twenty-third Sustainable Development Conference (SDC) from 14 – 17 December 2020 in Islamabad, Pakistan. The overarching theme of this year’s Conference is Sustainable Development in the Times of COVID-19. Read more…       FOOD SECIRITY DASHBOARD: On 4th Nov, SDPI has shared the first prototype of Food Security Dashboard with Dr Moeed Yousaf, the Special Assistant to Prime Minister on  National Security and Economic Outreach in the presence of stakeholders, including Ministry of National Food Security and Research. Provincial and district authorities attended the event in person or through zoom. The dashboard will help the government monitor and regulate the supply chain of essential food commodities.

Access to Improved Drinking Water in City Slums with Household Water Treatment Systems (HWTS) Nadi Water Filter

Partner: AHD, UNEP

Duration: 2010-11

Locale: Islamabad, Rawalpindi and Hyderabad

Team Members: Dr. Mahmood A. Khwaja


Unclean water contaminated chemically or microbiologically is a health hazard.
Many deaths (mostly of children under the ages of five) are caused annually by water-borne diseases such as Cholera, Typhoid fever, Diarrhoea, Dysentery, Hepatitis A and other diarrhoeal diseases According to WHO reports 80% of all infections are traceable to poor quality of drinking water. The estimated cost to Pakistan’s economy due to diarrhoeal disease is estimated at Rs.55-80 billion/yr.

Household-level interventions for water treatment must be given priority, as this will contribute to the safety component, which in turn is expected to significantly contribute to achieving the Millennium Development Goals and food security. Adequate accessible methods for household water treatment at point of use (POU) and safe storage (HWTS), combined with hygiene promotion could prevent the population suffering from (without access to safe drinking water) from illness and often resulting in death. The easy self-help Nadi Dinking Water Filter, a bio-filter type, is unique in its simple design, assembly and cost. The filter consists of baked clay Nadi & Mataka, sand & gravel of different mesh sizes and a rubber or plastic tube. The effectiveness of the Nadi filter unit is evident from the color, taste & transparency of the water filtered through it, as well as the laboratory reports of bacteriological examination of the filtered water samples.

In an earlier completed project, conducted by the Association for Humanitarian Development (AHD) in collaboration with Sustainable Development Policy Institute (SDPI), over 1000 NWF units were installed and are operating in 20 villages of Taluka Jati area in District Thatta, Sindh, Pakistan. A noticeable decrease in diseases has been reported by Nadi water filter users (specially infants/children’s) visits to doctors/hospital.

The present work in the city slums is carried out by SDPI, in collaboration with AHD and with financial support from UNEP National Committee for the Republic of Korea (UNEP NATCOM ROC) and is an extension of the above referred earlier work Slums of Islamabad, Rawalpindi and Hyderabad cities are selected for the present work. These areas not only have problems of shortage of water but available water is also considered unsafe for drinking.

On conducting the survey of the slums, it was established that most of the diseases in the area are water borne. The health and hygiene conditions in the slums are deplorable. Water borne diseases, like stomach worms and dysentery and skin diseases are rampant.

Besides, introducing a simple technique like the Nadi water filter to clean water, another objective of the project was to also familiarize the population of the slums with the hazards of contaminated water use. Several awareness raising and training workshops were held with female & male residents of each slums. Material for assembling Nadi water filters was also distributed during training workshop. Monitoring and evaluation of the effectiveness of the Nadi filters installed and their maintenance is in progress.

For More Information, Contact the Following Person:

Mahmood A. Khwaja