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Should we have smaller families to save the planet?
Having one fewer child could be the biggest thing you do to reduce your carbon footprint
Unlock the history and truth behind the data with The OU
Explore how numbers shape, and sometimes mislead us, with The Open University.
When can you trust statistics?
BBC Ideas discovers three easy ways to help make sense of statistics.
Podcast
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Tim Harford explains the numbers and statistics used in everyday life.
