• Capacity building
    The actions needed to enhance the ability of individuals, institutions and systems to make and implement decisions and perform functions in an effective, efficient and sustainable manner
  • Capacity development
    The process by which individuals, groups and organisations, institutions and countries develop, enhance and organise their systems, resources and knowledge
  • Capillary action
    The process by which water rises through rock, sediment or soil; it is caused by cohesion between water molecules and adhesion between water and other materials; together, these forces pull the water upwards
  • Carbon sink
    Natural or artificial reservoir that accumulates and stores carbon-containing chemical compounds for an indefinite period. The process by which carbon sinks remove carbon dioxide (CO2) from the atmosphere is known as carbon sequestration
  • Catchment
    Drainage area (see Basin)
  • Chlorination
    Treatment of drinking water with chlorine to kill disease-causing organisms
  • Civil society organization
    The multitude of associations around which society voluntarily organizes itself and which represent a wide range of interests and ties. These can include community-based organizations, indigenous peoples’ organizations and non-government organizations
  • Climate Change
    A change of climate which is attributed directly or indirectly to human activity that alters the composition of the global atmosphere and which is in addition to natural climate variability observed over comparable time periods
  • Climate change adaptation
    Initiatives and measures to reduce the vulnerability of natural and human systems against the actual or expected effects of climate change
  • Climate change screening
    A way of assessing the impacts of climate change on development activities, and how these linkages can be taken into account in development activities and national planning processes
  • Consulting Partners
    Partner representatives at the annual meeting of Partners. The term Consulting Partners (CP) is only applied to the annual meeting of Partners, the “CP Meeting”.
  • Cost effective
    Obtaining the best results for least expense or offering the maximum benefit for a given level of expenditure that provides good value for money
  • Cost recovery
    Adjusting fees/prices for a water system where all costs of operation and maintenance are covered for supplying water or services
  • Country Water Partnership
    A water partnership at a national level