water Flashcards
(31 cards)
what fraction of the world’s population face high level of baseline water stress?
1/4
17 countries
what fraction of the world’s population face high level of water stress?
1/3
44 countries
what 3 factors increase water demands?
- population growth
- socioeconomic development
- urbanisation
climate change can make precipitations and demands predictable or unpredictable?
unpredictable
more than __ people still practise open defacation.
670
ew
1 in ___ people don’t have access to safe drinking water.
3
what fraction of people don’t have primary hand-washing facility with soap and water?
2/5
more than ___% of the ____ population must walk more than 30 mins to collect water.
25; african
water pollution affects and causes the continuition of ____________.
economic inequality
existing water treatment methods remove 90% of ________.
however, ________ is not easily removed and humans eventually consume them.
microplastics
nanoplastics
water is an increasing source of international tension. true or false?
true
Water basins in which 3 regions are major hotspots with many violent conflicts?
south asia
middle east
east africa
the ____ basin has less activities reflecting past negotiations to replace colonial era water agreements
nile
which 2 countries are concerned about China’s thirsty northern territories and water-diversion ambitions?
bangladesh and India
Southeast asian countries are anxious too, at the ____ basin.
mekong
**
Tensions have arisen over issues such as dam construction, water usage, and the impacts of climate change, as these affect the river’s flow and the livelihoods of millions of people in the region.
what is SG’s position out of 193 countries for natural water resources in the 2006 World Water Development Report?
170th
why was SG 170th out of 193 countries for natural water resources in the 2006 World Water Development Report?
limited land
SG developed protected catchments in which regions of SG? south, east, north or west?
western and northern
SG current water demand is ___ gallons a day, enough to fill ____ Olympic sized pools. By 2060, will our water demand increase OR decrease, and by how much?
430 million; 800
increase by 2x
in 1961, how many water agreements were signed btwn SG and MY?
2
2 water agreements were signed btwn SG and MY. when did/do they expire?
1 expired on 31 aug 2011
1 will expire in 2061
how many NEWater plants do SG have? they can meet ___% of SG water needs by 2030, but NEWater is ____ due to ____.
5
50%; expensive; advanced technology
out of SG’s 4 taps, which one is the most energy intensive?
Desalinated Water: Water produced by removing salt from seawater.
is desalinated water or NEWater more expensive?
desalinated costs twice as much as NEWater