A region has low rainfall, thirsty farms, and fast-growing cities. Why is it under water stress?
- Its rivers are shared with friendly neighbours
- Low supply meets high demand from farms and cities
- Its people waste far less than average
Why do rising incomes usually raise energy and meat demand?
- Richer households buy appliances, vehicles, and meat-heavy diets
- Richer households drink less water than poor ones
- Rising incomes always shrink family sizes at once
About a third of grown food never gets eaten, wasting the water, land, and energy behind it.
Circle one: True False
A town fits water meters and charges heavy users more. Which kind of response is this?
- A supply side response, like building a reservoir
- A demand side response, cutting how much is used
- A trade response, importing water from abroad
The world grows enough food, yet one dry region goes hungry. What best explains it?
- Rain falls elsewhere and moving food there is costly
- The region wastes far less food than others
- Global harvests always match local harvests
A city can fund either a desalination plant or a campaign rescuing surplus food. Which stretches water further per meal?
- Neither, since both only help energy
- The desalination plant, in every single case
- The food rescue, since wasted food wastes its water too
A student claims new technology alone will fix every shortage, so restraint is pointless. What is wrong with that plan?
- Technology and restraint both have wins, and politics picks who is cut
- New supply has never worked anywhere
- Using less always costs more than building more
Three countries share one river. The upstream one dams heavily in a drought. What makes this a diplomacy problem, not just a dry year?
- Dams always raise rainfall downstream
- One country controls water others depend on
- Droughts never cross national borders