trends & opportunities in urbanization...solar hot water rooftop solar pv systems falling costs...
TRANSCRIPT
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URBAN SUSTAINABILITY
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THE WORLD IS URBANIZING RAPIDLY
0
2
4
6
8
10
1750 1800 1850 1900 1950 2000 2050
POPU
LATIO
N (B
ILLI
ON
S)
World became a majority urban in 2010
Urban growth takes off
Urban population growing by ~75 million per year
TOTAL
URBAN
RURAL
Two-thirds of the world’s population, or 6 billion people, will live in cities by 2050
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THE PERIL
CONGESTION AIR POLLUTION REDUCED QUALITY OF LIFE
CC BY / Nicolò Lazzati
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THE PERIL: URBAN FORM
Superblocks dominate urban development
Sprawling development and ever expanding city boundaries
RISKS LOCKING IN BAD URBAN FORM
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THE PERIL: TRANSPORT
Urban infrastructure revolves around the car
Highways perceived as a mobility solution
THE HUMAN SCALE IS LOST
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THE DIFFERENCE OF GOOD PLANNING
BARCELONA HAS ROUGHLY THE SAME POPULATION AS ATLANTA, BUT TAKES UP ONE-TENTH THE LAND AREA AND EMITS 5X FEWER TRANSPORT CARBON EMISSIONS
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What are the minimum requirements to building a great city?
DOWNLOAD: energyinnovation.org/greensmart
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BENEFICIAL MEASURABLE PRACTICAL
DOWNLOAD: energyinnovation.org/greensmart
THE 12 GREEN GUIDELINES
FOUNDATIONAL AND
NECESSARY
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4. Small Blocks
1. Urban Growth
Boundary
2. Transit Oriented
Development 3. Mixed-Use
5. Public Green Space
6. Non-Motorized
Transit
7. Public Transit 8. Car Control
9. Green Buildings
12. Water Efficiency
11. Waste Management
10. Renewable and District
Energy
1-5: Urban Form
6-8: Transportation
9-12: Energy & Resources
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URBAN GROWTH BOUNDARY 1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
An urban growth boundary is set around a city to contain urban sprawl and preserve
the land outside of the boundary
PORTLAND, OREGON
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TRANSIT-ORIENTED DEVELOPMENT 1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
COPENHAGEN
Transit-oriented development matches population density with transit capacity
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SINGLE-USE SUPERBLOCKS BEIJING
1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
Mixed-use development intermingles residential, commercial, recreational, and cultural space,
guaranteeing amenities and services are easily accessible
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MIXED-USE DISTRICT IN PORTLAND
1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
Mixed-use development intermingles residential, commercial, recreational, and cultural space,
guaranteeing amenities and services are easily accessible
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San Francisco Vancouver New York
Portland Shanghai Beijing
BLOCK SIZES IN DIFFERENT CITIES AT SAME SCALE 1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
Small blocks create a dense mesh of narrower, pedestrian-friendly streets and paths, facilitating street life and the shift away from car use
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1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
Highline Park, New York City
Attractive public spaces create a sense of community and neighborhood identity, while enhancing the city’s
economic vitality and environmental resiliency.
Image source: Flickr (Filipp Solovev)
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1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
Parklets distribute small areas of public green space throughout cities
Image sources (Vancouver Public Space Network and SDOT photos)
Attractive public spaces create a sense of community and neighborhood identity, while enhancing the city’s
economic vitality and environmental resiliency.
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1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
Liuyun Xiaoqu, China
The world’s most attractive cities prioritize transportation development at the human scale Dense networks of walking and biking paths allow for shorter, more efficient, and more pleasant commutes.
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1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
Hangzhou, China Mexico City, Mexico
The world’s most attractive cities prioritize transportation development at the human scale Dense networks of walking and biking paths allow for shorter, more efficient, and more pleasant commutes.
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1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
Bus-rapid transit (BRT) moves people around cities quickly and safely
Public transit must be a first-class option for transportation
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1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
Guangzhou before and after bus rapid transit
Public transit must be a first-class option for transportation
Elements of good bus rapid transit (BRT): Dedicated bus lanes occupying the center of the roadway Stations that are level to bus height and collect fare prior to boarding
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An advanced country is not one where the poor move about in cars, rather it’s where even the rich use public transportation. - Enrique Peñalosa, Mayor of Bogotá
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1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
Car control improves space efficiency on streets
Buses Bikes Cars
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BEFORE
AFTER
1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
Parking and driving restrictions, safe options for biking and walking, and top-notch public transit help to limit car use in cities
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1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
Green buildings employ a variety of efficiency techniques to minimize their energy and resource consumption
Shenzhen’s IBR Building
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1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
Cost premiums for green buildings are decreasing, while
property values are increasing
Seattle’s Bullitt Center
Green buildings employ a variety of efficiency techniques to minimize their energy and resource consumption
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1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
Solar hot water
Rooftop solar PV systems
Falling costs and increasing efficiency rates make renewable energy resources more viable options
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1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
TODAY: District energy systems produce steam, hot water, or chilled water that is piped to individual buildings for heating and cooling
Traditional district heating systems avoid buildings’ need for furnaces, boilers, air chillers, etc.
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1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
TOMORROW: District energy systems will produce energy at a more decentralized or localized level
Microgrids offer energy security and stability,
while helping increase the adoption of
renewable energy
UC San Diego’s microgrid Image source: Orkas
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1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
San Francisco’s Recology waste management company diverts 80
percent of waste from landfill
Waste management practices aim to reduce, reuse, recycle, and recover as much waste as possible.
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Waste management practices aim to reduce, reuse, recycle, and recover as much waste as possible.
1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
Image source: World Economic Forum
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1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
More efficient water consumption reduces energy usage needed to treat, move, or heat water
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“A sponge city is one that can hold, clean, and drain water in a natural way using an ecological approach”
1. URBAN GROWTH BOUNDARY 2. TOD 3. MIXED-USE 4. SMALL BLOCKS 5. PUBLIC GREEN SPACE 6. WALKING AND BIKING 7. PUBLIC TRANSIT 8. CAR CONTROL 9. GREEN BUILDINGS 10. RENEWABLE AND DISTRICT ENERGY 11. WASTE 12. WATER
- Kongjian Yu, dean of Peking University’s
College of Architecture and Landscape
Architecture (CityLab)
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Comprehensive coverage of regulatory, financial, and technical processes that bolster the 12 Green Guidelines
Shows economic, environmental, and social success
EVIDENCE FOR THE 12 GREEN GUIDELINES HAMMARBY AND PORTLAND
DOWNLOAD: energyinnovation.org/greensmart
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TEXT
Nothing in the world is more simple and more cheap than making cities that provide better for people. - Jan Gehl