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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Governance

Publication // Nexus Mapping Study in South East Europe

This study focuses on the SEE2020 Region, including Albania, Bosnia and Herzegovina, The Former Yugoslav Republic of Macedonia, Kosovo*, Montenegro and Serbia, within its wider geographic context. It is aimed as the conceptual and technical background to support and inform the Nexus Policy Dialogue process, ongoing since 2013 in SEE under the ‘Petersberg Phase II / Athens Declaration Process’ and Global Environment Facility’s (GEF) programme “International Waters: Learning Exchange and Resources...

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SDGs

Publication // The Water-Food-Energy Nexus: Insights into resilient development

By SAB Miller and WWF (World Wildlife Fund). This collaborative report looks at 16 countries or states, comparing the ways in which their development patterns have managed their different mixes of resources and different capacities to make use of those resources.

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Ecosystems / WEFE Nexus

Publication // The Development of the Water-Energy-Food Nexus as a Framework for Achieving Resource Security: A Review

By Gareth B. Simpson and Graham P. W. Jewitt. This paper presents a study of the evolution of the water-energy-food (WEF) nexus since its rise to prominence in policy and development discourses in 2011. Drawing from an extensive review of published literature, the paper presents various interpretations of the concept while also considering the novelty of the WEF nexus.

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