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The Foundation and Future of
Sustainable Roadways
From Windows Live Local
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Sustainability
Goal Sustain economic prosperity and a high quality of life for all while protecting the natural systems of the planet.
Key Components•Economic•Environmental•Social
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We tend to care more
about “green” and
“sustainability” today.
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In business, sustainability affects
the bottom line.
Why?1. Energy & material costs 2. Because customers care
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Therefore, corporations care.KPMG International Survey of Corporate Responsibility (2005)
Companies Report Sustainability52% of the top 250 companies of the Fortune 500 issue annual corporate responsibility (sustainability) reports.
Why?
Recent Climate Change Observations
(over last 160 years)
Graphics from Climate Change 2007: The Physical Science Basis. Summary for Policymakers. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. (February 2007)
Environmentally,Warming of the
climate system is unequivocal…
Explanations of Climate Change(over last 107 years)
Quote from Climate Change 2007: The Physical Science Basis. Summary for Policymakers. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. (February 2007)
Graphics from Pachauri and Jallow, Climate Change 2007: The Physical Science Basis. A 6 Feb 2007 presentation in Nairobi, Kenya.
…and, with “very high confidence”, we know
humans have contributed to this
warming.
All Factors
Just Solar and Volcanic
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We use lots of raw materials.Information from the United States
$24 billion1,350 million tonsTotal
$1 billion10 million tonsCement
$13 billion40 million tonsAsphalt
$10 billion1,300 million tonsVirgin aggregate
Cost per YearAmount per YearIndividual materials
In general In pavements
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Socially, we are driven to improve.
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We already grade ourselves on sustainable
practices in many different fields.
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Other industries, notably the building industry,
have had success promoting sustainability.
LEED certification standards– New Commercial Construction and Major Renovation Projects
– Multiple Buildings and On-Campus Building Projects
– Existing Building Operations and Maintenance
– Commercial Interiors Projects
– Core and Shell Development Projects
– Homes
– Neighborhood Development
– Schools
LEED (Leadership in Energy and Environmental Design)A “…nationally accepted benchmark for the design, construction, and operation of high performance green buildings. LEED gives building owners and operators the tools they need to have an immediate and measurable impact on their buildings’ performance.”
-U.S. Green Building Council
LEED for new construction buildings
Distributionby geography
1-1920-4950-99100-199200+
9 4
91111
69
125
2582
4028 14
8
134
186480
22
23
57
19
66
18
73
10222
11
19
12079
11936
52
74
95
173
17433105
61 2712
9 (DE) 38 (DC)
23 (DE)
24 (NH)
5 (OK)
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68AK=10HI=16PR=1
as of 07/06
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There is a strong case for sustainable practices in
transportation making a big difference.
2007 Little Green Data Book (World Bank)
Residential21%
Commercial18%
Industrial32%
Transportation29%
2006 U.S. Energy Use
Transportation Energy Data Book (U.S. DOE)
Transportation20%
Other11%
Electricity & Heat36%
Agriculture8%
Other Fuel Combustion
13%
Manufacturing& Construction
12%
2000 CO2 Emissions by SourceIndustrialized Countries
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More specifically, sustainable choices in transportation
construction can make a big difference.
2006 Non-Residential Construction Spending from the U.S. Census Bureau
$18 billion
$55 billion
$76 billion
$40 billion
$86 billion
$8 billion
$8 billion
$18 billion
$22 billion
$39 billion
$27 billion
$72 billion
$23 billion
$15 billion
$5 billion
$34 billion
$0 $10 $20 $30 $40 $50 $60 $70 $80 $90 $100
Lodging
Office
Commercial
Health care
Educational
Religious
Public safety
Amusement and recreation
Communication
Power
Transportation
Highway and street
Sewage and waste disposal
Water supply
Conservation and development
Manufacturing
Construction Put-in-Place (billions of dollars)
$100 billion
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The industry has begun to take note.
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Everyone can make a contribution to
sustainability…including universities and academics.
• Incorporating sustainability into education
• Development and testing
• Verifying function and use
• Systems for use
picture of warm mix at NCAT?picture of porous asphalt experimentpictures from RMRC?
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The last decade has produced a relative abundance of
sustainable ideas in transportation and, specifically, in
HMA pavements.
• Context sensitive design
• Certified materials
• Porous pavements
• Quite pavements
• Recycled materials
• Cool pavements
• Non-motorized access
• Reduced congestion
• Improved safety
• Construction waste management
• Life cycle assessment
• Biofuels
• Low-sulfur diesel
• Stormwater treatment
• Visual quality
Prin
gle
Cre
ek, O
R
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1. We need some means to organize our
sustainability efforts.
Green Roads is a rating system designed to distinguish high-performance sustainable new or redesigned/rehabilitated roads.
It awards credits for approved sustainable choices/practices and can be used to certify projects based on point value.
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2. Whether we realize it or not, sustainability is a
strategic direction for agencies, consultants,
contractors and suppliers.
Source: ENR (24 Sep 2007). The Mainstreaming of Green Building (Tulacz, G.J.) and Top Green Contractors, ENR
Top 50 Green Contractors•$8.96 billion in revenue from green projects •Green is 15.3% of top 50’s total revenue •All top 50 greens are in top 400 contractors list
US Green Building Council•2001 membership: 500•2006 membership: 10,000
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3. Nothing short of action
puts us on the map.
Source: ENR (24 Sep 2007)The Mainstreaming of Green Building (Tulacz, G.J.) Glenwood Canyon, CO
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