Population of world ‘could grow to 15bn by 2100′

Nearly 7 billion people now inhabit planet but projections that number will double this century have shocked academics The United Nations will warn this week that the world’s population could more than double to 15 billion by the end of this century, putting a catastrophic strain on the planet’s resources unless urgent action is taken to curb growth rates, the Observer can reveal. That figure is likely to shock many experts as it is far higher than many current estimates. A previous UN estimate had expected the world to have more than 10 billion people by 2100; currently, there are nearly 7 billion. The new figure is contained in a landmark study by the United Nations Population Fund (Unfpa) that will be released this week. The report – The State of World Population 2011 – is being compiled to mark the expected moment this month when somewhere on Earth a person will be born who will

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