How many litres of water does it take to produce one litre of bottled water?
3 litres
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15
How is most of the world's water used?
In farming and ranching
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15
How many deaths per year does the WHO blame on global warming?
150,000 deaths
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15
Approximately what percentage of global electricity output is produced from renewable sources?
8%
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15
What is the 'Great Pacific Garbage Patch'?
A collection of marine litter in the central North Pacific Ocean.
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15
Britons spend 2 bn pounds every year on organic food, but how much of it is grown in Britain?
25%
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15
In terms of the amount of water it takes to produce 500 calories of these foodstuffs, which is more environmentally friendly: poultry, beef, potatoes or rice?
potatoes (89 litres of water to produce 500 calories of potatoes)
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15
What percentage of the world's mammals is facing extinction?