How much of the food that is produced, globally, is actually consumed?

• 60%

• 70%

• 80%

• 90%

2. Women make up a little over half of the world’s population, but they account for what percent of the World’s hungry?

• 40%

• 50%

• 60%

• 70%

3. Which of the following has most influenced the course of Hong Kong’s history?

• HK has no viable source of energy

• HK has no natural source of commercially valuable minerals

• HK has very limited water supply

• HK has been unable to grow enough food to feed the population

Which of the following does the HKSAR not do to maintain a balance in the supply / demand for freshwater?

• Maintain an artificially high price of tap water

• Use seawater for cooling and toilet flushing

• Build rainwater capture and grey water recycling into new public housing developments

• ­Build underground water storage tanks

What is the major driver in the global food production industry?

• Addressing global hunger

• Life stye choices

• Consumerism (buying/selling things)

• Personal health

6. What is an ‘eco-footprint’?

• The scale of the impact a city has on surrounding areas of natural ecology

• A measure on human demand on natural resources / how much nature is required to support people and their economies

• The relationship between what a country produces and what it consumes

• An indication of the environmental health of a city

In sustainability discussions, what is a circular economy?

• Where the cycle of production and consumption involves reusing and recycling materials and products as far as possible

• A way of extending the useful life of products

• The comprehensive use of natural resources to support a community

• The even distribution of material and energy resources within a community

Why has China become the world leader in renewable energy technologies?

• It has very limited natural energy resources

• It has a strong research and development base

• Cheap manufacturing

• Plentiful supply of natural wind and solar energy

What makes recycling more difficult in HK than in other territories? 

• Sophistication of material products

• ­Small volume of waste to be recycled

• Difficulty in persuade people to separate their waste into different colour bins

• Recycling requires a lot of space, and the recycling industry can’t cope with high land values

10. How does thinking about extreme scenarios such as “what would happens in the next 24-hours if HK suddenly (and permanently) lost all energy supply” help us understand sustainability issues?

• It makes sustainability issues more personal

• It shows we are not well prepared for disasters

• It’s fun to speculate about ‘what if’s’

• It emphasises our extreme dependency of external supplies of materials and energy resources.