water conflicts general facts 0.0 / 5 ? Geographywater conflictsA2/A-levelEdexcel Created by: izzyhasberryCreated on: 01-06-17 06:28 name the three main water supplies climate, geology and river systems 1 of 15 estimated by 2015 what percentage of the world will be short of water? 45% 2 of 15 agriculture uses ? % of the worlds fresh water? 69% 3 of 15 how many people don't have access to safe drinking water? 2.1 billion 4 of 15 disadvantage of over abstraction? upset the natural balance of aline and fresh groundwater, leads to salt water incursion and salination 5 of 15 human impacts on water availability? dams - trap sediment, pollution - 135 million deaths by 2020, chemical fertilisers 6 of 15 key players government, TNCs, consumers, NGOs 7 of 15 what does the government do in securing water supplies? provide direction and finance large projects + and overcome conflicts internationally 8 of 15 name the three future scenarios business as usual, water crisis, sustainable water 9 of 15 what will happen in "business as usual" scenario? consumption of water will increase by 50%, water scarcity will reduce food production, developing countries reliant on food importers 10 of 15 what will happen in "water crisis" scenario? global water consumption increase, food production decrease and prices rise, developing countries increase malnourishment and food insecurity 11 of 15 what technologies can help water supply desalinisation, reverse osmosis, water collection, wells, exposing contaminated water to the sun which destroys micro organisms 12 of 15 define desalination the conversion of salt water into fresh water 13 of 15 which country mostly uses this technology provides 70% of Saudi Arabia's water but very expensive 14 of 15 what is reverse osmosis filters salt from brackish water - removes ions and decontaminates water to give fresh water 15 of 15
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