TOWARD A BLUE REVOLUTION
Excerpt reprinted from Population Reports, September 1998 |
The world needs a Blue Revolution in water management, just as we need
another Green Revolution in agriculture. Time is of the essence.
Dwindling freshwater supplies per capita are threatening the health and
living standards of millions of people in a growing number of countries,
as well as undermining agricultural productivity and industrial
development. Achieving a Blue Revolution will require coordinated
policies and responses to problems at international, national, and local
levels.
International Responses
Countries have agreed to numerous recommendations at international
conferences on water over the past 20 years. For the most part, however,
the international development community and national governments have yet
to turn these words into action.
The first international conference to draw attention to the coming water
crisis was in 1977 -- the United Nations Water Conference held in Mar del
Plata, Argentina. Several others have followed, including the Global
Consultation on Safe Water and Sanitation for the 1990s, held in New
Delhi in 1990, and the International Conference on Water and the
Environment, held in Dublin in 1992.
The Dublin Water Principles, agreed to at the 1992 conference, summarize
the principles of sustainable water management.
Principle No. 2: Water development and management should be based on a
participatory approach, involving users, planners, and policy-makers at
all levels.
Principle No. 3: Women play a central part in the provision,
management, and safeguarding of water.
Principle No. 4: Water has an economic value in all its uses and should
be recognized as an economic good.
Making Needed Investments. Turning principles into practice will be
difficult. Most countries need massive investments in sanitation and
water supply infrastructure. In the developed world, for example, the
United Kingdom must spend close to $60,000 million building wastewater
treatment plants over the next decade in order to meet new European water
quality standards. This amounts to about $1,000 for every person in the
country. Hungary faces similar problems. One-fifth of the country's
population is not connected to a functioning sewer system. Hungary will
need to invest about $3,500 million over the next two decades to connect
all of its citizens to wastewater treatment plants.
In developing countries, one of the most pressing problems is the
overwhelming need to invest heavily in sanitation facilities and the
provision of clean water. The World Bank has estimated that over the
next decade, between $600,000 million and $800,000 million will be
required to meet the total demand for freshwater, including for
sanitation, irrigation, and power generation.
Of this huge amount, the World Bank will be able to lend only $35,000
million to $40,000 million at most. The remainder will have to come from
a combination of public funding and private investment. It will be
difficult, if not impossible, for most developing countries to finance
the remainder, however. In Latin America alone, for instance, it is
estimated that investments in water resources management and
infrastructure will require $100,000 million over the course of the next
two decades.
Avoiding International Conflicts. An important part of any international
water management strategy is to help countries that share river basins
fashion workable policies to manage water resources more equitably. A
water-short world is an inherently unstable world. Nearly 100 countries
share just 13 major rivers and lakes. More than 200 river systems cross
international borders. Conflicts can arise, especially where countries
with rapidly growing populations and limited arable land collide over
access to shared freshwater resources.
The case of India and Bangladesh demonstrates how international river
basins can be managed to meet demand in the face of scarce water
supplies. The Ganges, the subcontinent's largest and most important
river, rises in Nepal and flows 2,240 kilometers through three densely
populated Indian states -- Uttar Pradesh, Bihar, and West Bengal --
before entering Bangladesh and flowing into the Bay of Bengal. The river
affects the lives of 500 million people, many of whom depend on the river
for subsistence agriculture and fishing. After half a century of bitter
rivalry over access to the waters of the Ganges, India and Bangladesh
signed a 30-year water-sharing agreement in December 1996. Both
countries have proclaimed a new era of water management.
The agreement, if implemented fully, will provide Bangladesh with a
guaranteed minimum amount of water during the dry season, especially the
three driest months of March, April, and May. The new treaty sets 10-day
periods during these three months when India and Bangladesh will
alternately have access to an agreed-upon amount of the water reaching
the Farakka Barrage, a huge dam built by India in 1974 in an effort to
claim as much of the water for its own use as possible before the Ganges
enters Bangladesh. In order to insure implementation of the agreement, a
team of inspectors from the two countries will monitor the flow rate at
the Farakka Barrage during the dry months.
Critics argue that, if the agreement is to work over the long term, India
must begin to manage the Ganges watershed much better than it does now.
Deforestation in Nepal and northern India has greatly increased the
amount of sediment washed from the hills into the river during the
monsoon season, clogging waterways and increasing the incidence of
damaging floods. Unless ways can be found to capture more stable runoff
during the wet season for use during the dry season, Indian farmers might
be tempted to take all the water they can get from the river during the
driest months, putting the agreement in jeopardy.
Despite such caveats, the fact that two neighboring countries have
successfully negotiated and reached a comprehensive agreement over such a
contentious issue is a positive sign. It promises to permit downstream
Bangladesh a more equitable supply of water from the Ganges and to foster
better water management practices in upstream India.
National Responses
In water-short countries, national governments need to give water
resources management their highest priority. Crafting and implementing a
national water strategy is essential to sustainable development. Such a
strategy should include four elements:
The United States defines a watershed as the entire area drained by a
river system or one of its major tributaries. The United Kingdom defines
a watershed as the divide between river basins, a potentially much larger
area. No matter how it is defined, "we need to see a river or lake,
along with its entire watershed and all its physical, chemical, and
biological elements, as part of a complex, integrated system," according
to Janet Abramovitz of the Worldwatch Institute.
Everyone has a watershed address: we all live in basins that drain
rainwater into streams and rivers that eventually send the water back to
the sea or into inland lakes. The people living in most of these
addresses have radically altered the natural drainage systems around
them. Tampering with watersheds has proved ruinous for many developing
countries, where hillsides denuded of vegetation empty tons of soil into
water courses every year, causing floods during the wet seasons and
suffocating aquatic life during the dry seasons.
Deforestation has ruined land and altered climates, causing less rain to
fall in some areas. In others, rainwater runs off so fast that little
can be collected for use. In sub-Saharan Africa, for example, the albedo
effect -- the drying of the landscape as a result of the wholesale
clearance of tropical forests and poor farming practices -- has resulted
in below-average rainfall over the past 40 years compared with the
century as a whole.
Watershed or river basin management pays multiple benefits. The economic
value of ecosystem maintenance is high. The value of an intact
floodplain, for instance -- including its fisheries, wildlife,
recreation, and natural flood control effects -- has been calculated at
close to $5,000 per hectare. Another estimate puts the value of one
hectare of wetland at $15,000.
Ideally, a comprehensive watershed management plan mobilizes communities
and individuals and gains broad public acceptance at the national level.
Watershed management is not easy to accomplish, however. It is a complex
and contentious process that involves many stakeholders with competing
views about water use. Not many countries have been able to initiate
workable watershed management strategies. The Chesapeake Bay, the
largest brackish water estuary in North America, has one of the few
comprehensive watershed management plans in operation anywhere in the
world.
A number of other countries also have instituted river basin management
schemes or are in the process of doing so. The Murray-Darling River
Basin Commission in Australia, for instance, is an intergovernmental
organization whose main aim is to coordinate the management of water
resources across state borders within the Murray-Darling River Basin, the
country's largest river system. The commission's technical abilities are
comprehensive, covering river management and ecology, environmental
impacts, finance and administration, and communication. All development
activities within the river basin fall under the jurisdiction of the
commission, and all government agencies connected to water management and
its uses must collaborate.
In India, as a result of the 1987 National Water Policy Act, the states
of Rajasthan and Gujarat are setting up a committee to regulate and
control water use in the Sabarmati River Basin, which encompasses parts
of both states. The average amount of water available in the Sabarmati
River Basin amounts to no more than 360 cubic meters per person per year,
making it one of the most water-stressed regions in the country. Water
is not only a very limited resource, but it is also increasingly polluted
by irrigated agriculture.
To deal with these problems, the committee will regulate and manage water
resources in the entire river basin, with a structure that gives a voice
to representatives from each major water user group. The committee hopes
to establish broad popular and institutional support and a structure
capable of ensuring that polluters are fined and that major users pay a
fair price for water. If the system works, it may be extended to other
water-short areas of India with high population densities.
Freshwater supplies that originate in mountainous areas also can be
better protected and managed at their source, observes Mountain Agenda, a
nongovernmental organization interested in sustainable mountain
development. According to the organization, in humid areas the
proportion of water generated in mountains can comprise as much as 60
percent of the total freshwater available in the watershed areas, and as
much as 95 percent in arid areas.
Building Institutional Capacity. Managing watersheds and river basins
sustainably means building institutional capacity, including the creation
of cross-sectoral data collection and monitoring systems.
Capacity-building is a key theme of international organizations promoting
change, including the World Bank, the United Nations Development Program,
and the Global Water Partnership. To build capacity, the following
measures are needed:
Creating competent administrative and legal structures. The technical
and administrative competence of national, regional, and local agencies
responsible for water management must be strengthened before progress can
be made in water management.
Making institutions more responsive and effective. Water management
agencies, both public and private, must also be able to respond to
changing situations (political and social as well as environmental).
Static organizations and outmoded procedures need to be overhauled,
especially as countries enter the water-stressed or water-scarcity
categories.
Training senior water managers. Few hydrologists have been trained to
consider water resources broadly. As well as an engineering approach to
water management that considers supply needs and how to satisfy them, a
demand-oriented approach is increasingly needed.
Establishing closer ties to universities and research institutes.
Since water issues embrace societal concerns and cultural values, water
agencies should reach beyond the usual government channels and draw on a
wide spectrum of opinion and expertise in order to assess freshwater
issues and find solutions.
There are several good examples of how water can be valued more
appropriately than is the usual case. Chile established a water market
in the mid-1980s that not only has saved water but also has enabled
farmers to meet their needs by trading water rights among neighboring
farms. A World Bank study of the water market system concluded that it
contributed greatly to better management and fairer pricing.
Similarly, in southern California, chronically one of the most
water-short regions in a water-short U.S. state, the San Diego County
Water Authority has reached an agreement with farmers in the Imperial
Valley area east of the city of San Diego. The agreement encourages
farmers to conserve up to 200,000 acre-feet of water a year and sell it
to the county, which would finance the conservation measures and pay
farmers cash incentives to participate. San Diego County would benefit
from the guarantee of cheaper water, and the farmers would, in effect, be
paid to conserve the resource. This approach to water management could
change the dynamics of water use throughout California.
In S�� Paulo, Brazil's most populous state, where water resources already
are stretched thin, increasing demands from municipalities, industries,
and agriculture threaten to cripple the state's capacity to manage scarce
supplies. In 1997 a draft Water Pricing Law was sent to the state
legislature that could form the basis for an entirely new water
management policy. Under the proposal, the price of water will be
determined by the source of supply, type of use (whether municipal,
industrial, or agricultural), and the availability of water. The fees
collected under the policy are to be re-invested in the water management
infrastructure.
Managing Water for Sectoral Needs. A workable water management system
requires the institutional capacity to balance sectoral needs for the
good of society as a whole and also to consider ecosystem needs. Water
allocation, rather than absolute scarcity of water, often lies at the
heart of national water problems. Without policies that link the supply
of freshwater to competing sectoral uses, local and regional water
shortages often result, and competition becomes increasingly bitter.
In developing countries, meeting sectoral demands is challenging because
most lack efficient water management systems and equitable pricing
policies that are based on how water resources are used. For example,
although China passed a national water law in 1988, there is little
coordination of sectoral water use between the Ministry of Water
Resources, the river basin commissions, and the various provincial and
local authorities.
Local Responses
Locally led initiatives are showing that water can be used much more
efficiently even in water-short areas, both urban and rural.
Furthermore, when communities manage freshwater resources better, they
also manage soils and forests better, increase crop production, and
reduce the incidence of illness and disease. Even where municipal
governments have failed to finance a potable water supply or to provide
proper sanitation, grassroots efforts have sometimes succeeded. Consider
the following examples.
Taking Action. ; Local communities should take an active part in planning
and implementing water management schemes if they are to be sustainable.
Poor communities, in particular, have had notable success in introducing
autonomous local distribution of water, either through special
arrangements with the water authority or with private vendors.
Communities also have set up community-managed vending kiosks or operated
small, autonomous water supply systems.
Accessibility of clean water, as has been noted, promotes better
household hygiene and improves health and well-being. Access to the
water supply should be as close to homes as possible and should be
reliable. Plans for piping water to poor households should consider the
amount of water needed, choose the appropriate level of technology, and
price the water according to the ability to pay. Water supply and public
health programs both should emphasize preventive health care education
and encourage the use of clean water for personal and domestic hygiene.
Time to Change Direction
The world needs sustainable water management, but we are not headed in
the right direction fast enough. A Chinese proverb holds that, "If we
don't change course, we may end up where we are heading." Without moving
in a new direction, many more areas will face water shortages, many more
people will suffer, more conflicts over water will occur, and more
precious wetland ecosystems will be destroyed.
While a freshwater crisis appears inevitable in many water-short regions,
in others the problem could be managed if appropriate policies and
strategies were formulated, agreed to, and acted on soon. The
international community is paying increasing attention to the world's
water problems, and a number of organizations are providing funding and
assistance to help manage water supply and demand. Increasingly,
mechanisms are being put in place that permit more equitable water
management. Countries in water-stressed regions are introducing better
pricing mechanisms, fostering community-based water management schemes,
and moving toward watershed and river basin management regimes. Both the
number and scale of these activities need to increase substantially.
Also, population growth has slowed, reflecting international and national
attention to family planning programs, together with rising popular
demand for contraception. To meet people's needs, national governments
and international donors need to increase their commitment to family
planning, to improving sanitary conditions, to curbing pollution, and to
reducing the scourge of water-related diseases.
A vital part of a long-term solution is worldwide recognition of the
links between rapidly growing populations and shrinking freshwater
supplies. Recognition, knowledge, and concern can help build the
political will to avert a crisis and develop the commitment needed to
assure that humanity's apparently unquenchable thirst for freshwater does
not exhaust the world's finite water supply.
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