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WASHINGTON,
Nov 18 - The growth of cities will be the single largest
influence on human society in the 21st century, according to the 2007 United Nations
Population Fund’s (UNFPA) report, which argues
that urbanization can be
a much more powerful force for positive change than many currently
believe.
Around the world, urban areas are growing at more than 1.2
million people a week, says "State
of the World Population 2007:
Unleashing the Potential of Urban Growth."
The report notes that 2030's expected
urban population will
be nearly 5 billion. By contrast, the total human population this year
-- both
urban and rural -- is around 6 billion.
The future of cities in developing
countries -- and the
future of humanity itself -- "depend very much on the decisions made
now
in preparation for this growth," George Martine, the principle author
of
the report, said.
Urbanization is inevitable but it can also be positive, he added.
Up to now, policy makers and civil society organizations have merely
reacted to
the challenges of urbanization as they arise. Instead, "a pre-emptive
approach is needed," Martine says, adding that policy makers and
advocates
must better understand the way cities are growing if they are to
effectively
solve the related social and environmental problems. This,
Martine said,
involves debunking many of the misconceptions that are out there about
urban
growth.
 
Urban
Myths
The
most general and widespread misconception, according to the report, is
that urbanization is inherently bad for people
and the planet.
Images of city
slums, poverty, and environmental degradation can easily lead people to
judge
city growth negatively, but according to Martine, "urbanization can and
should be a force for good."
There are many economic, social, and environmental advantages to
concentrating
people and the services and jobs they need in close proximity to one
another.
The higher intensity of economic activity in cities favors jobs and
income. In
addition to this, proximity and concentration allow for governments to
more
effectively and inexpensively provide social services, infrastructure,
and
amenities to their citizens, the report explains.
And from an environmental standpoint, concentrating the world's
population
minimizes human encroachment on natural habitats. While the idea of
rapidly
expanding urban populations have caused many to believe the common
misconceptions that cities occupy too
much land and are bad for the environment, in reality,
explained Martine,
half of the world’s population occupies only 2.8 percent of
the world’s land
area.
The
Worldwatch
Institute's Christopher Flavin,
who spoke at the Washington DC release of
the 108-page report
this June, said he sees cities as powerful drivers behind efforts to
combat
climate change. As national governments and the international community
have
lagged on many environmental initiatives “cities are stepping
in to put in
place concrete policies and plans that address climate
issues,” he said.
Cities like Rizhao, China; Bogotá, Colombia; Chicago; and New York
are among the many implementing
environmentally friendly building, car, and energy strategies,
according to
Flavin's group. And this, he said, is becoming an important national
and
international political force placing pressure on governments worldwide
to step
up.
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