Overview

The scientific evidence contained in the three volumes of the 6th IPCC report (AR6), published between August 2021 and April 2022, are another reminder of the urgent need to respect the 2015 Paris Agreement. 195 countries agreed to the goal of limiting long-term global temperature increase to “well below 2°C” compared to pre-industrial levels and to pursue efforts to limit the increase to 1.5°C by massively reducing their emissions of carbon dioxide and other greenhouse gases (GHGs). Water and climate questions are usually addressed from the perspective of adaptation to climate change. For urban water services the mitigation aspect has been less studied up till now. These considerations fit into the broader context of the interdependence of energy and water (Water-Energy Nexus). This report approaches the question from the angle of energy use in the water sector rather than the better-known water requirements for the energy sector. Reducing GHG emissions in urban water management requires reducing both fossil energy requirements and direct emissions of nitrous oxide and methane. Finally, it must be said that the need to reduce the GHG emissions of water and sanitation services goes with the growing demand for water. It should increase by 50% between now and 2030 worldwide due to the combined effects of population growth, economic development, and the shift in consumer patterns. This synthetic report aims to provide an overview of possible levers to reduce the greenhouse gas emissions of water and sanitation services and provides an analysis of how adaptation measures can embrace this low-carbon approach.

Full Product Details

Author:   Alexandre Alix ,  Laurent Bellet ,  Corinne Trommsdorff ,  Iris Audureau
Publisher:   IWA Publishing
Imprint:   IWA Publishing
Dimensions:   Width: 15.60cm , Height: 1.80cm , Length: 23.40cm
ISBN:  

9781789063264

ISBN 10:   1789063264
Pages:   70
Publication Date:   15 July 2022
Audience:   College/higher education ,  Professional and scholarly ,  Tertiary & Higher Education ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   In Print  
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Language:   French

Table of Contents

Table de matières Avant-propos Vers une stratégie d’atténuation du changement climatique des services d’eau et d’assainissement LES ÉMISSIONS DE GES DES SERVICES D’EAU ET D’ASSAINISSEMENT DANS UN CONTEXTE DE CHANGEMENTS GLOBAUX 1. Qu’est-ce que l’empreinte carbone ? 2. Quels sont les GES du secteur ? 3. Pourquoi calculer les GES ? 4. Comment les GES sont-ils évalués ? L’ÉNERGIE UTILISÉE PAR LES SERVICES D’EAU ET D’ASSAINISSEMENT DANS LE MONDE 1. Le prélèvement 2. Le stockage d’eau (pour potabilisation) 3. Le transport 4. Le traitement 5. La distribution 6. Le traitement des eaux usées 7. Usage final RÉDUIRE LES GES DES SERVICES D’EAU ET D’ASSAINISSEMENT : QUELLES SOLUTIONS ? 1. Approches rapides et efficaces 2. Économie circulaire 3. Décisions et stratégie LA RÉDUCTION DES GES ASSOCIÉE AUX SOLUTIONS D’ADAPTATION ET DE PRÉSERVATION DES RESSOURCES EN EAU 1. Protéger les ressources en eau 2. Adapter des services aux dérèglements climatiques L’EXPERTISE FRANÇAISE : EXEMPLES DE SOLUTIONS Description détaillée des projets présentés Annexe Glossaire

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