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This week the UK government announced that around 100 new oil and gas licences for the North Sea will be issued. At the same time the Prime Minister said the government would back two new carbon capture and storage plants, one in Aberdeenshire and one in the Humber. Victoria Gill speaks to Angela Knight, former chief executive of Energy UK, about what this decision means for the UK’s aim of reaching net zero carbon emissions by 2050. She then discovers more about the capabilities of carbon capture and storage from Paul Fennell, a professor of clean energy at Imperial College London.

Next Victoria travels to the sunnier shores of Spain where orcas have been ramming fishing boats. She speaks to one of the sailors who witnessed an attack. To find out more about the orcas’ behaviour, she interviews Dr Luke Rendell, a whale and dolphin expert from the University of St Andrews.

We then move to Skomer, off the coast of West Wales. This important seabird colony has recently recorded an avian flu outbreak. Reporter Roland Pease speaks to Lisa Morgan from the Wildlife Trust for South and West Wales.

To finish the show Dr Stuart Farrimond is back with the final instalment of his science of gardening series.

Presenter: Victoria Gill
Producers: Alice Lipscombe-Southwell, Hannah Robins
Research: Patrick Hughes
Editor: Richard Collings