Sustainable Cities

What was the percentage of people living in cities in the 1800s?

3%

How many cities had a population of over 1 million in the 1900s?

12

Name some pros of living in a city?

Convenience, safety, healthcare

What are some cons of living in a city

War, pollution, traffic

What are some pros of living in the contryside?

Peace, densly populated

What are some cons of living in the contryside?

More diseases, inconvenience

What is a city?

A city is a large, densly populated place where people live and work

Renewable Source

Can naturally be replaced, quickly

Non renewable source

Limited, cannot be replaced easily

Give an example of a renewable source

Solar power, hydro dams, wind power, geothermal energy

Give an example of non renewable sources

Oil, coal, gas

What are the four key things a city needs to thrive

Energy, transport, Water, waste management

How does Auckland deal with waste water?

They take the water to water treatment plants which is then cleaned and released into lakes

What is a sustainable city?

A sustainable city is a city that has the highest quality of lfe with a very low carbon footprint while still ensuring the needs of future generations are not compromised