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A weekly programme looking at the science that's changing our world.

A weekly programme that illuminates the mysteries and challenges the controversies behind the science that's changing our world.

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BBC Inside Science: Why is Prime Minister Rishi Sunak rowing back on climate pledges?

Why is Prime Minister Rishi Sunak rowing back on climate pledges?

BBC Radio 4 - BBC Inside Science, Why is Prime Minister Rishi Sunak rowing back on climate pledges?

Why is Prime Minister Rishi Sunak rowing back on the UK’s climate pledges and what has the reaction been?

UK Prime Minister Rishi Sunak gave a hastily arranged press conference this week in which he confirmed he would be rowing back on some previously made government commitments regarding net zero - the point at which we remove as much carbon from the atmosphere as we put in.  

The reaction has been mixed, ranging from endorsements from fellow politicians in the Conservative Party to criticism from opposition parties and environmental groups. The business community is also split. So why has Mr Sunak changed his policies on climate change - and why now? Gaia Vince speaks to Ian Dunt, editor of politics.co.uk 
  
We hear about an astonishing finding by archaeologists who have discovered expertly manufactured interlocking wooden structural parts that are half a million years old. What do they tell us about our early human ancestors in Africa? Gaia speaks to Professor of Archaeology Laurence Barham and Professor of Geography Geoff Duller about their extraordinary discovery. 
  
Approximately two billion tonnes of dust is lifted into the Earth’s atmosphere each year and it is both dangerous to human life and essential to the oxidisation of our oceans and rivers. We relentlessly attempt to rid our homes of dust but it always seems to come back. Why do we hardly ever discuss dust? A new book by Jay Owens, ‘Dust: The Modern World in a Trillion Particles’ does just that. Jay talks to Gaia about why we should we be as fascinated as she is by tiny airborne particles. 

As we emit CO2 into the atmosphere, a significant amount - around a third - is taken in by the oceans. With growing interest in carbon removal interventions, ocean scientist Dr David T. Ho tells Gaia about undertaking an exciting experiment. Listen to this bonus content in the podcast. 
  
Presenter: Gaia Vince 
Producers: Laura Northedge and Emily Bird 
Research: Patrick Hughes 

Production co-ordinator: Jana Bennett-Holesworth 

Editor: Richard Collings

Intelligent speech, the most insightful journalism, the wittiest comedy, the most fascinating features and the most compelling drama and readings anywhere in UK radio.

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