How is most of the world's water used? - Farming and ranching accont for the majority of the world's water use., How many litres of water does it take to produce one litre of bottled water? - It takes three litres of water to produce 1 litre of bottled water., 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? - Producing potatoes is more environmentally-friendly because it takes only 89 litres of water to produce 500 calories of potatoes, 251 for rice, 1515 for poultry, and 4900 for beef., What percentage of the world's mammals is facing extinction? Can you name some? - 25% of the world's mammals are facing extinction, including the Java rhino, the South China tiger, the Amur leopard, and the Iberian lynx., Approximately what percentage of global electricity output is produced from renewable sources? - 8%, Britons spend £2bn each year on organic food, but how much of it is actually grown in Britain? - 25%, What is the 'Great Pacific Garbage Patch'? - The 'Great Pacific Garbage Patch' is a collection of marine litter in the central North Pacific Ocean. Estimates of size range from 700,000 square kilometres to more than 15,000,000 square kilometres, or 0.41% to 8.10% of the size of the Pacific Ocean., How many deaths per year does the WHO blame on global warming? - 150,000,

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