Implementation and Case Studies

Case Study Thailand // How Chiang Mai’s Wastewater Utility is Building Capacity on Sustainable and Innovative Solutions to reduce its Carbon Footprint.

This case is part of a case study series, where the Water-Energy-Climate Nexus approach supports the transition towards a more sustainable and low-carbon urban management. In the city of Chiang Mai, the WaCCliM project supports the Wastewater Management Authority (WMA) in assessing opportunities to reduce its carbon footprint. A baseline study identified the leaks of untreated wastewater, caused by fractured pipes in the wastewater collection system, as the main source of greenhouse gas (GHG) emissions in Chiang Mai. A large amount of untreated wastewater is flowing directly into the public canal. Because of this, the city is producing significant amounts of methane (CH4) and nitrous oxide (N2O), both gases with a larger global warming potential than carbon dioxide (CO2). The emissions from direct discharge of untreated wastewater account for 579,900 kg CO2 per year in the city. The cooperation between WaCCliM and the WMA in Thailand has raised the local awareness for the challenges in the wastewater sector and the need for improvements in the urban water management in order to achieve resilient water utilities. Therefore, knowledge transfer and capacity building are necessary for long-term success and continuous progress.

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WaCCliM Resources

Published

December 2018

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WaCCliM (the Water and Wastewater Companies for Climate Change) is working with pilot water utilities in four countries, developing a road map to guide them towards energy and carbon neutrality.

Further reading

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Solar-powered Irrigation Systems (SPIS)

Nexus Publicación // Manual de Capacitación Equipo Móvil de Bombeo Solar

Desarrollar y fortalecer capacidades de asesoramiento técnico y formulación de proyectos de agua, energía solar y producción de alimentos, en personal técnico del sector público y privado, así como en familias campesinas mediante su formación práctica utilizando un Equipo Móvil de Bombeo Solar demostrativo. La publicación1 de la Caja de herramientas de sistemas de riego solar ha sido posible gracias al apoyo brindado por la iniciativa mundial PAEGC. En 2012, la Agencia de los Estados Unidos para...

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Research

WEF Nexus Publication // Applying the Water-Energy-Food Nexus Approach to Catalyse Transformational Change in Africa

RES4Africa Foundation’s new study carried out in collaboration with Open Economics, looks at a WEF nexus project in rural Tanzania integrating hydro-powered mini-grid and agri-business usages that distributes water, power and food services to the surrounding communities. The aim of this study was to evaluate the effects that the innovative Nexus project can have on a specific area. In doing this, a microeconomic impact assessment was developed to evaluate economic, social and environmental costs...

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Governance

WEF Nexus Research // Solar Energy Farming as a Development Innovation for Vulnerable Water Basins

By Mohammad Al-Saidi and Nisreen Lahham. This article evaluates a project from the Azraq Basin in Jordan, and presents similar international experiences, particularly from India. It assesses solar energy farming as an innovation from a water-energy-food nexus perspective.

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