ecological footprint - the total area f productive land and water required to produce the resources a population consumes and absorb the waste produced.
Liveability - the characteristics of a city which improve the quality of life for the people living there
Sustainable city - a city which provides employment, a high standard a living, a clean, healthy environment and fair governance for all its residence.
sustainable development - meeting the needs of the present with compromising the ability of futures generations to meet their own needs.
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.
features of sustainable cities:
social
adequate prevision of schools and health services
green houses and buildings
clean water and sanitation
green public transport
economic
decent employment opportunties
production of renewable energy
investment in green technology
features of sustainable cities:
environmental
waste and recycling management
energy efficient
air quality conservation
urban governance
adoption of green urban planning
strategies to reduce inequalities
support of local, national, regional and global links
sustainable city - Freiiburg Germany
transport
strong orientation to walking, biking and public transport
restriction of use of cars in certain parts
400km of bike paths
Energy
social dimensions include the provision of affordable energy saving homes and locals are encourages to invest in renewable energy resources
creation of 10,000 jobs in environmental businesses and over 1000 employed in solar technologies
sustainable city - Freiiburg Germany
water supply
harness both rainwater harvesting and wastewater recycling
groundwater is the cities most important source of drinking water and has to be protected from pollution
Sustainable drainage systems include green roofs, permeable road and pavement surfaces
Land conservation
green spaces are both protected. 40% of the city is forested.
excepting floods it is unmanaged and provides natural haitats for flora
sustainable city - Freiiburg Germany
waste management
MSW is reused and recycled. there are 350 community collection points for recycling. energy for 28000 homes is produced by incineration
opportunities of cities:
people more densely populated, so provision of public transport and water is easier
understand the importance of urban sustainability
governments invest more in urban sustainability than rural
challenges of cities
requires significant investment which some cities cant afford
cities are growing, so public transport services need to expand
unwilling to change habits e.g drive less
don't have appropriate infrastructure
strategies:
reduce number of cars
increase amount of green space
improve urban waste disposal
increase renewable energy use
decrease water use
make buildings energy efficient
benefits - freiiburg
high quality of life
accessible green space
clean air
decreased carbon footprint
challenges - freiiburg germany
initial high costs
Increased population making it harder to maintain sustainability