sustainable urban development - section 8

what is an ecological footprint

the total area of productive land and water required to produce the resources a population consumes and absorb the waste produce

what is ecological footprint measured in

global hectares

what is the worlds capacity per person for ecological footprint

1.8gha

how is san fransisco doing better than the USA for ecological footprint

more money spent on public transport

better health

how is san francisco doing worse than the USA for ecological footprint

higher vehicle ownership rate- high annual expenditure

high consumption due to high disposable income

poorly developed public transport system

higher alcohol consumption

high turnover of housing- lots of freight services

why does san francisco have a poor ecological footprint

• small city centre

• water surrounding it on 3 sides- cannot suburbanise

• spreading of land increases transport use- lack of public systems such as subways

• lots of earthquakes- unsafe to build a subway

what is sustainability

meeting the needs of the present without compromising the ability of future generations to meet their own needs

what is environmental sustainability

the environment is used and managed to supply people on a long-term basis

what is economic sustainability

the ability of economies to maintain themselves when resources decline or become too expensive and when populations dependant on those resources are growing

what is social sustainability

human potential and level of wellbeing is improved

describe an eco city

resources are reused within the city

reduced inputs and outputs

smaller flow of people

renewable energy

reduced pollution

what is a smart city

a city where investments in social and human capital, along with physical infrastructure and ICT, enable sustainable development and high quality of life. they perform well in economy, environment, people, living conditions, governance and mobility

describe the proposed idea for Songdo as a smart city

• free of pollution, crowded spaces and traffic

• sensors for traffic

• 80,000 apartments

• $40 billion

• automated irrigation systems in parks

what were the failures of the songdo development

tech wasn’t as advanced as promised

only appealed to the wealthy and second home owners- high cost of living

gap between rich and poor areas

lacks cultural and social spaces

what were the strengths of the songdo development

home to 200,000 people

city recycles 75% of waste

what is urban resilience

the capacity of individuals, communities, institutions, businesses and systems within a city to survive, adapt and grow, no matter what kinds of chronic stresses and acute shocks they experience

what is chronic stresses

day to day challenges such as high unemployment, inefficient public transport systems, endemic violence and chronic food and waste shortages

what are acute shocks

sudden events that may threaten a city, including earthquakes, floods, disease outbreaks and terrorist attacks

what is liveability

the characteristics of a city which improve the quality of life for the people living there

describe Christchurch as a liveable city

developing events to connect communities together

risk reduction

research

encouraging innovation

support for community organisations and leaders

explain the nature of advection fog in san francisco