Sustainable cities
What is power that comes from water?
Hydropower
“There are currently 2 people of working age supporting each pensioner in Japan, by
2035, this number is expected to fall to 1.5, and by 2050 to just 1.” What problem has this shown?
This is ageing population
Explain what these strategies is used to solve: Japan has had to build more care homes for the elderly.The age at which a worker can get a pension has increased from 60 to 65.
In 2000 a medical insurance scheme was started so people have to pay some of the costs of their care.
The first one is for Increase elderlys need and the second one is increase workforce and the last one is increase cost elderly
How do we obtain solar energy?
Solar Panels
What is the dependency ratio?
The number of people of working age in relation to retirees
Using these numbers, calculate the dependency ratio:
Under 15 = 13,970,000
Over 65 = 36,250,000
Working population = 80,005,000
62.8%
What's the most sustainable city in the world
Dubai
What 3 problems a country faces when there are more old people than young people?
Retirement age will increase, fewer people will be working, and taxes will increase, affecting economic income.
What are 2 problems a country faces when there are more young people than old people?
More young people = more schools and healthcare
Why would making public transport cheaper be more sustainable?
How do you clean the air within your house?
House plant
What are three ways to increase the workforce, increase the cost of the elderly, and increase the needs of the elderly?
We are for increasing the pension age to 60-65, encouraging mothers to work, increasing migrants, and keeping the old people working. To increase the cost for the elderly, we can increase tax rates. To meet the increasing needs of the elderly, we can build more homes and hospitals.
Name 3 sustainable (not hydropower) ways to obtain power.
Solar power, wind power, geothermal power
How to calculate the dependency ratio?
the dependency ratio is calculated by dividing the number of dependent people (young and old) by the number who are economically active