CUE 3238 Flashcards
What signifies the critical role for cities to transition into a sustainable world?
Because today, half of the world population lives in cities (3.5billion)
By 2030, 60% will live in urban areas
By 2050, 70% will live in urban areas
Where will most of the expansion of cities take place?
95% will take place in developing countries.
How many people live in slums?
828 million people - and this is increasing.
How much of the Earth do cities occupy?
Cities occupy 3% of the Earth’s surface - but account for 60-80% of energy consumption and 75% of CO2 emissions.
What’s the main issue of rapid urbanisation?
It puts pressure on fresh water supplies, sewage, public health and the living environment.
Why must urban areas become more competitive, resource efficient, resilient and inclusive?
Because…
- by 2050, 70% of the population will live in urban areas.
- 95% of urban expansion will take place in the developing world.
- 828 million people live in slums and is increasing
- cities occupy 3% of Earth’s surface but account for 60 - 80% of energy consumption and 75% of CO2 emissions.
- rapid urbanisation is putting pressure on fresh water supplies, sewage, public health and the living environment.
What is goal number 11 of the Habitat 3, decided in October 2016?
Business, along with cities and other stakeholders, will play an important role in implementing this agenda, which itself will be based on the recently adopted Sustainable Development Goals, in particular the urban SDG.
Cities have an impact on the environment. This is known as their ecological footprint. Define this.
The area of land or sea that is needed to produce all of the inputs a city uses and to dispose of its outputs.
This is a measure of the demand we place on the ecosystems which support us.
A city’s ecological footprint is always ______ than the city itself.
Larger.
How big is the ecological footprint of the Tokyo metropolitan area?
Nearly 3x the land area of Japan.
Strategies for developing more sustainable cities. A city must:
- have the ability to use the surrounding countryside to feed the urban population, to reduce the distance from field to fork
- use renewable sources of power to meet the needs of the population and the industries in the urban area
- reduce the ecological footprint to as small a size as possible
- produce the smallest amount of pollution possible by making use of efficient recycling methods
What are the 6 strategies for developing more sustainable cities.
- greener built environments
- improved transport
- planned expansion
- economic opportunities
- conserving buildings and open spaces
- carbon neutral development
One strategy for developing a sustainable city is ‘greener built environments’. Describe this.
Greener built environments that use water and energy efficiently, reduce urban waste and increase recycling.
One strategy for developing a sustainable city is ‘improved transport. Describe this.
To expand and develop existing transport infrastructure and networks to meet demand.
One strategy for developing a sustainable city is ‘planned expansion’. Describe this.
To encourage compact cities and planned expansion, rather than uncontrolled and unrestricted urban sprawl.
