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When does changes in the weather become evidence of climate change? In the last century global temperatures have risen by just shy of one degree centigrade. Is this really enough to explain the floods and droughts that seem to be sweeping the world - not to mention superstorms like Typhoon Haiyan and Hurricane Sandy? We speak to young European migrants who have fled unemployment in what were once rich European nations only to join the exploited underclass in Australia. Meanwhile Monday was so-called 'singles day' in China - an excuse for one of the biggest online shopping sprees in history. Chinese consumers spent six billion dollars in a single day. We find out what that tells us about the Chinese economy - and what they bought.