Advanced 4 - Our environment

How is most of the world's water used?

• Farming and ranching

• Sanitation and hygiene

• Industry and electricity

How many litres of water does it take to produce one litre of bottled water?

• 1 litre

• 2 litres

• 3 litres

In terms of the amount of water to produce 500 calories of these foodstuffs, which is more environmentally friendly?

• poultry

• beef

• potatoes

• rice

What percentage of the world's mammals is facing extinction?

• 15%

• 25%

• 35%

Which mammal is facing exticntion?

• 
• 
• 

Approximately what percentage of global electricity output is produced from renewable sources?

• 8%

• 12%

• 17%

What is the most widely-used renewable power source in the world?

• Wind power

• Solar energy

• Hydropower

• Bioenergy

Britons spend £2bn every year on organic food, but how much of it is grown in Britain?

• 25%

• 30%

• 40%

What is the Great Pacific Garbage Patch?

• Research station where marine waste is collected and studied

• Ocean area where garbage is dumped by ships

• Area with the largest accumulation of ocean plastic in the world

How many deaths per year does the WHO blame on global warming?

• 100,000

• 150,000

• 200,000