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T1 How Nature Can Help Address Water-Related Challenges: Freshwater Ecosystems – Technical Brief
A1 United Nations Environment Programme, 
A2 Bertule, Maija
K1 nature-based solution
K1 freshwater ecosystem
K1 nature conservation
K1 water catchment protection
K1 ecosystem resilience
K1 reforestation
K1 flood control
K1 El Salvador
K1 Haiti
K1 sewage disposal
K1 Kenya
K1 wastewater
K1 mangrove
K1 coral reef
K1 coastal area
K1 United Republic of Tanzania
PB UNEP-DHI Centre
SN Not Available
YR 2022
FD 2022-12
LK https://wedocs.unep.org/handle/20.500.11822/41409
UL https://wedocs.unep.org/handle/20.500.11822/41409
NO This document provides an examination of the urgent decline of freshwater ecosystems worldwide and highlights their critical role in addressing the interlinked crises of climate change, biodiversity loss and pollution. It presents the latest scientific evidence on ecosystem degradation and its impact on human well-being, access to clean water, food security and economic stability. The document explores the concept of nature-based solutions and provides globally recognised definitions and practical guidance for the implementation of NbS interventions in the freshwater context. Using detailed case studies from regions such as Afghanistan, Albania, El Salvador, Haiti, Kenya, Morocco and Tanzania, it highlights the socio-economic and environmental benefits, challenges and lessons learnt from ecosystem restoration, pollution prevention and climate adaptation projects.
NO https://unepdhi.org/how-nature-can-help-address-water-related-challenges-freshwater-ecosystems-technical-brief/
DS UN Environment Document Repository
RD Sep 23, 2026