israel desalination case study Flashcards
what is desalination?
turns salt water into available fresh water
what is the purpose of the desalination scheme in israel?
provide a reliable and predictable supply of water - aims to provide 70% of israel’s domestic water by 2020
list 2 economic pros
extremely efficient, lowers cost of drinking water
list 2 economic cons
expensive to build, expensive to maintain
list 2 social pros
can provide between 60-80% of water for domestic demand, enhances water security for the nation
list 2 social cons
can displace people, increased chance of having a heart attack
list 2 environmental pros
reduces dependency on rainwater, reduces sewage and waste water - up to 90% of sewage is recycled
list 2 environmental cons
runs on fossil fuels, wasted salinized water is pumped back into sea and caused salinisation - harmful for most marine animals
overall is it effective?
to some extent, has major economic and social pros in terms of reducing water insecurity but has many environmental negatives. increased climate change and desertification leaves little alternative