Tom Heap visits communities living with the shale gas industry, from Texas to Lancashire.
Jackie Akhavan talks about the ethical issues of working on explosives used in war.
Miranda Krestovnikoff presents the wetland-loving African jacana.
4/4 The power of repetition. The power of repetition.
Are we aware we are sharing the planet with less wildlife? Are we getting used to less?
Miranda Krestovnikoff presents the African southern ground hornbill.
David Attenborough presents the Eurasian scops owl found in Mediterranean regions.
Caz Graham is at the Borrowdale Shepherds' Meet, a traditional gathering in Cumbria.
2/6 Clare Balding embarks on the second leg of her journey along the Dales Way.
Sir David Attenborough presents the emperor penguin from the Antarctic peninsula.
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