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Green infrastructure. Guide for water management. Ecosystem-based management approaches for water-related infrastructure projects

Green infrastructure. Guide for water management. Ecosystem-based management approaches for water-related infrastructure projects
  • International Union for Conservation of Nature and Natural Resources (IUCN), The Nature Conservancy, United Nations Environment Programme (UNEP). September 2014
  • The Green Infrastructure approach refers to the natural or semi-natural systems that provide services for water resources management with equivalent or similar benefits to conventional (built) "grey" water infrastructure. This guide addresses one of the main barriers to widespread adoption of Green Infrastructure (GI) solutions: a general lack of awareness of the solutions and associated cost benefits. The case studies in this guide provide examples of GI options that address water management challenges, while delivering a number of significant co-benefits. These include reafforestation and afforestation, wetland conservation and construction, levee setbacks, flood bypasses and coastal protection, as well as a number of urban oriented options such as green roofs and permeable pavements. The guide also includes an outline methodology for water management options assessment comprised of a number of steps relating to definition of development objectives, specification of investment portfolios, modelling of environmental outcomes and economic evaluation, cost-benefit analysis, as well as risk and uncertainty analysis.
  • Geographical coverage: Global
  • Main themes: Coastal zones, Economic impact, Ecosystem services, Ecosystems, Environment, Floods, Forests, Infrastructure, Investments, Rainwater harvesting, Risk management, River Basin Management, Urban areas, Water management, Water quality, Water supply, Wetlands
  • Main target audience: Decision makers, Environmental practitioners, Financial community, Project planners, Water managers, Wetland managers
  • Main purpose: Assessment, Awareness raising, Guidance, Reporting on project findings/outputs, Stimulate debate
  • Type of resource: Assessment report, Case studies, Guidebook, Methodology
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Published in 2015