Man's effect on the environment, questioning accepted truths, challenging those in charge and reporting on progress towards improving the world. Presenters, Tom Heap and Dr Alice Roberts, travel the UK and the world in search of solutions to the challenges facing the natural world and the people and wildlife that live in it. 

Thinking Allowed

Laurie Taylor explores the latest research into how society works and discusses current ideas on how we live today.

Make the English you speak sound more natural with The English We Speak from bbclearningenglish.com. Every week, we look at a different everyday English phrase or piece of slang in this fun three-minute programme.

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