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Water supply and sewerage: Path to Net Zero Organizational Emissions

Original scientific paper

Journal of Sustainable Development of Energy, Water and Environment Systems
Volume 12, Issue 1, 1110478
DOI: https://doi.org/10.13044/j.sdewes.d11.0478
Ivanna Harasymchuk1 , Vladimír Kočí1, Martina Hájková1, Martin Srb2, Nikola Salová2, Petr Sýkora2
1 Department of Sustainability and Product Ecology, VSCHT, Prague, Czech Republic
2 Prague Water Supply and Sewerage, Prague, Czech Republic

Abstract

Societal pressure to reduce greenhouse gas emissions has compelled organisations to actively manage their carbon footprint. This paper investigates calculating the carbon footprint of the company Prague Water Supply and Sewerage, which serves as an example of a water management organisation in Central Europe. The specificity of research lies in consideration of characteristics related to the energy balance, water sources, climate, the number of consumers, and the political situation, which are most characteristic of the chosen location but may differ from the characteristics of organisations in other parts of the world. A comprehensive assessment of the carbon footprint of the investigated organisation is based on the life cycle assessment methodology. The results of this study show three main directions that significantly impact the carbon footprint: process emissions, purchased energy and purchased services. The recommendations based on the obtained results include the replacement of outdated equipment with more modern and energy-efficient alternatives, transitioning to renewable energy sources, implementation of energy recovery technologies, investigation of alternative processing methods that use fewer chemicals and energy, and giving preference to suppliers of goods and services with good environmental characteristics.

Keywords: Carbon footprint; Carbon neutrality; Life cycle assessment; Net-zero strategy; Municipal water management;

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