استخدام المياه حاليا
Today’s water crisis is
widespread, and continuing with
During the 20th century the
world population tripled—while water use for human purposes multiplied sixfold!
The most obvious uses of water for people are drinking, cooking, bathing,cleaning,
and—for some—watering family food plots. This domestic water use, though cru- cial,
is only a small part of the total. Worldwide, industry uses about twice as much
water as households, mostly for cooling in the production of electricity. Far
more water is needed toproduce food and fibre (cereals, fruits, meat, cotton)
and maintain the natural environment
Q-A major investment drive, the
International Drinking Water Supply and Sanitation Decade (1981–90) and its follow-up—led
by national governments and supported through international organisations—ended
with safe and affordable drinking water for 80% of the exploding world
population and sanitation facilities for 50%
Q-Major investments in
wastewater treatment over the past 30 years have halted the Decline in—or
actually improved—the quality of surface water in many developed countries
Q-Food production in developing
countries has kept pace with population growth, with both more than doubling in
the past 40 years. A successful international research program in
agriculture—funded through the Consultative Group for International
Agricultural Research—has produced higher-yielding varieties, and there has
been a worldwide drive to intensify agriculture through fertiliser application
and irrigation. A major factor in this suc- cess story—in agricultural productivity
and farmer-controlled investment—has been the rapid growth of
groundwater-irrigated agriculture in the past 20 years
Q-In perhaps the biggest
achievement of the century, rising living standards, better educa- tion , and
other social and economic improvements have finally slowed population growth
للمزيداضغط هنا ...
Today’s water crisis is
widespread, and continuing with
current policies for managing
water will only
widen and deepen that crisis
During the 20th century the
world population tripled—while water use for human purposes multiplied sixfold!
The most obvious uses of water for people are drinking, cooking, bathing,cleaning,
and—for some—watering family food plots. This domestic water use, though cru- cial,
is only a small part of the total. Worldwide, industry uses about twice as much
water as households, mostly for cooling in the production of electricity. Far
more water is needed toproduce food and fibre (cereals, fruits, meat, cotton)
and maintain the natural environment
Providing six times more water
now than a hundred years ago, an enormous task, has sig-nificant impacts on
people and the environment. On the positive side
Q-A major investment drive, the
International Drinking Water Supply and Sanitation Decade (1981–90) and its follow-up—led
by national governments and supported through international organisations—ended
with safe and affordable drinking water for 80% of the exploding world
population and sanitation facilities for 50%
Q-Major investments in
wastewater treatment over the past 30 years have halted the Decline in—or
actually improved—the quality of surface water in many developed countries
Q-Food production in developing
countries has kept pace with population growth, with both more than doubling in
the past 40 years. A successful international research program in
agriculture—funded through the Consultative Group for International
Agricultural Research—has produced higher-yielding varieties, and there has
been a worldwide drive to intensify agriculture through fertiliser application
and irrigation. A major factor in this suc- cess story—in agricultural productivity
and farmer-controlled investment—has been the rapid growth of
groundwater-irrigated agriculture in the past 20 years
Q-In perhaps the biggest
achievement of the century, rising living standards, better educa- tion , and
other social and economic improvements have finally slowed population growth
للمزيداضغط هنا ...
استخدام المياه حاليا
Reviewed by Unknown
on
مايو 10, 2017
Rating:
Reviewed by Unknown
on
مايو 10, 2017
Rating:
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