Climate change - what lies beneath its widespread denial? Laurie Taylor talks to Sally Weintrobe, the editor of the first book which explores, from a multi disciplinary perspective, what the ecological crisis actually means to people.

In spite of a scientific consensus, many continue to resist or ignore the message of climate communicators - but why? What are the social and emotional explanations for this reaction?

Also, Simon Abernethy looks at the history of class and commuting on the London Underground. Although builders and managers travel in the same coaches in the 21st-century 'tube', the mixing of classes was once seen as revolutionary.

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Thinking Allowed is on BBC Radio 4 on Wednesdays at 4.00pm and repeated on Monday mornings at 12.15am. Full transmission details, and listen again links, can be found on bbc.co.uk