Resource security Flashcards
Define virtual water trade
A term used to describe water that has been used in the production of something, e.g. the water required to grow a tonne of lemons or produce a tonne of steel.
When these products are traded between countries, the virtual water is also traded.
Desalination in Dubai?
98.8% of its water experiences desalination.
What are the strategies to increase water supply?
Water Diversion and transfer/ Water Catchment/ Water storage at times of surplus/ Water desalination
Also management of consumption: In 2001, the UK governmnet banned the installation of toilets that use more than 6 litres of water per flush. In the UK every new house built since 1990 has been fitted with a water meter.
What is greywater?
A type of recycled water - mostly waste water from homes and businesses (e.g. from washing machines and showers). This water is relatively clean so can be used to water gardens, flush toilets, wash cars and irrigate farmland without being treated first.
It is not safe for drinking though.
Helps conserve energy.
