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Cities have to face serious sustainablity
challenges
Demographic change
 Until 2030, 90% of the world's
population growth will occur in
cities (Source: UN)
Urbanization
 Mid-2007, 50% of the world
population will be living in cities
Growing demand for
health- and elder care
Increasing mobility
 Urban air pollution causes an
estimated 130,000 premature
deaths each year in developing
countries (Source: WHO)
 Traffic congestion on city streets
in Western Europe will increase
188% by 2010
Increasing scarcity
of natural resources
 Cities directly or indirectly
account for 60% of world's water
use
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Oktober 2008
Growing need for
environmental care
 Cities account for 80% of the
world’s greenhouse gases, while
covering only 0.4% of earth's
surface
Growing demand for
safety and security
 Malfunctions of critical infrastructures pose high risks to
urban economies: in 2003 3-day
power outage in New York City
caused loss of 1 bn USD
© Siemens AG / 2008. All rights reserved
Urban development is a key topic of Siemens’
research programs
Megacity Challenges
Research approach
Sustainable Urban Infrastructure
 Global research project undertaken by MRC
McLean Hazel and Globescan, with the
support of Siemens
 Research project undertaken with McKinsey
& Company and the Economist Intelligence
Unit
 More than 500 public and private sector
experts from 25 global cities interviewed
 Describes a series of technological levers of
varying effectiveness, and with different cost
implications, which can all contribute to
greater environmental sustainability in cities
 Shows how challenges and solution
approaches are prioritized for five
infrastructures (transportation, energy, water,
health, safety & security)
as well as for city
governance and finance
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Oktober 2008
 Looks at financial and
other implementation
barriers to these
technologies as well
as selected strategies
to overcome them
© Siemens AG / 2008. All rights reserved
Megacity challenges: Survey of megacity decision
makers in worlds’ 25 largest cities
n=522 across 25 cities during Oct./Nov. 2006
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Oktober 2008
© Siemens AG / 2008. All rights reserved
Transportation Seen as Major Driver of City
Competitiveness
Importance for Economic Attractiveness
Unprompted Percentages (n=522)
(Latin America 21%)
(India / China 11%)
(Africa 13%)
(Latin America 21%)
(Africa 13%)
(Asia 9% and Latin America 8%)
(India/China 12% and Africa 10%)
(India/China 12% and Latin America 6%)
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Oktober 2008
© Siemens AG / 2008. All rights reserved
Environment in Top Tier of Infrastructure Priorities
Need for Investment
Average % of “Very High” Across All Cities
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Oktober 2008
© Siemens AG / 2008. All rights reserved
Environment matters . . .
Mass Transit is the Priority
Predicted by Transport Experts
Strong Role for Renewables
Predicted by Electricity Experts
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Oktober 2008
© Siemens AG / 2008. All rights reserved
. . . but may be sacrificed for growth
Views of Knowledgeable Stakeholders
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Oktober 2008
© Siemens AG / 2008. All rights reserved
Cities emphasize supply over demand
management
Solutions to Transportation Problems
Unprompted Mentions of Transport Experts (%)
• With demand constantly outstripping supply, there is a strong case for wider adoption of
demand management strategies
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Oktober 2008
© Siemens AG / 2008. All rights reserved
Solution approaches:
It’s not all about money, it’s about management
Reasons for Problems City Managers Have to Face
Unprompted Mentions of Knowledgeable Stakeholders (%)
• Political boundaries and silo-based thinking get in the way of integrated solutions to
infrastructure challenges in metro areas
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Oktober 2008
© Siemens AG / 2008. All rights reserved
Public sector must lead and control, but a role
seen for the private sector
Role of Public Private Partnerships and the Private Sector
Percentage agreement by stakeholder group
• Strong support for public ownership of infrastructure (except electricity)
• Private sector operation valued for delivering efficiency, ahead of funding
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Oktober 2008
© Siemens AG / 2008. All rights reserved