1.8 causes of water insecurity Flashcards
what is water scarcity?
less than 100m3 of water available per person per year
what is physical water scarcity?
not enough water to meet demand due to shortfall
what is economic water scarcity?
water is available but people cannot afford it
what is water stress?
less than 1700m3 of water available per person per year
what in water insecurity?
unguaranteed present and future water supplies
what are the 2 factors that are causing a global water crisis?
a lack of safe water available
rapid population of urban areas of limited water supply
what caused the 2015 puerto rico water insecurity?
wells supplying public water contaminated by a leaking industrial tank
what water issues does asia and the pacific have?
lack of clean water causes death due to extreme dehydration and diarrhoea
water is contaminated with bacteria
overuse of water and resource depletion
raw sewage is duped into rivers
what water issues does europe and central asia face?
lack of access to clean water
increasing demand for water
groundwater contamination
what water issues does north america face?
aquifers are being depleted
climate change is affecting rainfall patterns
pollution fromrun off
what water issues does africa face?
no access to clean water
groundwater stores are being depleted
floods and droughts displace many people
what water issues does latin america and the caribbean face?
groundwater contamination and depletion
only 2% of sewage is treated
how does an increasing population cause water insecurity?
demand for water is growing twice as fast as the population
how does improvements in living standards cause water insecurity?
rising incomes = larger homes = more appliances e.g dishwashers
how does industrialisation cause water insecurity?
increased industrial pollution contaminates water supplies
