"You take the blue pill and the story ends. You wake in your bed and you believe whatever you want to believe."
"You take the red pill and
you stay in Wonderland and I'll show you how deep the
rabbit-hole goes."
Vital Climate Graphics :
Potential Impacts
of Climate Change
Next: Freshwater stress:
current population at risk
36. Today, the great pressure on water resources is rising human
populations, particularly growing concentrations in urban areas. This
diagram shows the impact of expected population growth on water usage
by 2025, based on the UN mid-range population projection. It uses the
current rate of water use per person without taking into account
possible increases in water use due to economic growth or improvements
in water use efficiency. The regions most vulnerable to domestic water
shortages include those where access to water is already limited, the
population is growing rapidly, urban centers are spreading, and the
economy is burdened by financial problems and a lack of skilled
workers. Even if the world maintained the pace of the 1990s in
water-supply development, this would not be enough to ensure that
everyone had access to safe drinking water by the year 2025.
The impacts of climate change - including changes in temperature,
precipitation and sea levels - are expected to have varying
consequences for the availability of freshwater around the world. For
example, changes in river runoff will affect the yields of rivers and
reservoirs the recharging of groundwater supplies. An increase in the
rate of evaporation will also affect water supplies and contribute to
the salinisation of irrigated agricultural lands. Rising sea levels
may result in saline intrusion in coastal aquifers. Current
indications are that if climate change occurs gradually, the impacts
by 2025 may be minor, with some countries experiencing positive
impacts while most experience negative ones. Climate change impacts
are projected to become increasingly strong during the decades
following 2025.
Next: Freshwater stress:
current population at risk
Vital Climate Graphics :
Potential Impacts
of Climate Change
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