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What's your green knowledge?
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In terms of the amount of water to produce 500 calories of these foodstuffs, which is more environmentally friendly?
poultry
beef
rice
potatoes
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How many deaths per year does the WHO blame on global warming?
300,000
50,000
150,000
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How is most of the world's water used?
Industry and electricity
Sanitation and hygiene
Farming and ranching
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What percentage of the world's mammals is facing extinction?
15%
35%
25%
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Approximately what percentage of global electricity output is produced from renewable sources?
17%
8%
12%
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How many litres of water does it take to produce one litre of bottled water?
3 litres
1 litre
2 litres
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What is the Great Pacific Garbage Patch?
Research station where marine waste is collected and studied
Area with the largest accumulation of ocean plastic in the w
Ocean area where garbage is dumped by ships
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Britons spend £2bn every year on organic food, but how much of it is grown in Britain?
30%
25%
40%
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What is the most widely-used renewable power source in the world?
Wind power
Hydropower
Bioenergy
Solar energy
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Which mammal is facing exticntion?
Sumatran tiger
Humpback whale
Southern white rhino
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