Catalogue
1198 factsheets
Value proposition - Spring Health (case study)
This case study supports and illustrates the theoretic factsheet "Identifying the value proposition" with practical insights.
Last updated 23 August 2018
Venn Diagrams
Venn diagrams were developed by the logician John Venn. They represent an easy way to identify structures or relationships among organisations and…
Last updated 07 July 2019
Vertical Flow Constructed Wetland
A vertical flow constructed wetland is a planted filter bed that is drained at the bottom. Wastewater is poured or dosed onto the surface from above…
Last updated 10 June 2019
Vertical Flow Constructed Wetland (VFCW)
VFCWs are secondary and/or tertiary treatment facilities for household, municipal and industrial wastewater. Pre-treated wastewater is intermittently…
Last updated 16 April 2019
Vertical Gardens
The term vertical garden refers to any kind of construction and support structure for growing plants in an upwards-directed, vertical way and thereby…
Last updated 08 May 2019
Vertical Gardens
The Vertical Garden is a stackable planter made for indoor and outdoor use. Also called plant wall, green wall and bio wall, this is a light framed,…
Last updated 16 April 2019
Visioning
Visioning is a technique that is used to support a group of stakeholders in developing a shared vision of the future. It involves asking the group of…
Last updated 08 July 2019
WASH Needs Assessment
In emergency situations, time pressure constitutes one of the most challenging factors for the design of an adequate response strategy. Within the…
Last updated 27 April 2018
Waste Stabilization Ponds (WSP)
Waste Stabilization Ponds (WSPs) are large, man-made water bodies. The ponds can be used individually, or linked in a series for improved treatment.…
Last updated 16 October 2020
Wastewater Reuse at Home
Domestic water use represents a growing proportion of global water use. Water use optimisation means resistance to chronic and short-term water…
Last updated 06 May 2019
Wastewater Reuse in Industry
Reusing water in industry has the potential to reduce the costs of water supply and wastewater treatment by industries and reduces pressure on water…
Last updated 06 May 2019