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Podcast: Heavy rain, flooding and sinkholes

This week in the Planet Earth podcast, Tony Cooper and Vanessa Banks of NERC's British Geological Survey give us a unique insight into how sinkholes form and explain why the worst of them may be still to come.

4 Mar 2014

Riding the crest of the flood wave

Getting caught in one of the biggest floods Cambodia has seen in years wasn't part of Chris Hackney's fieldwork plans - but it turned out to be a great opportunity for scientists to learn how rivers behave in extreme conditions.

28 Feb 2014

Climate change exacerbates European hay fever risk

The highly allergenic plant ragweed is set to become more widespread throughout Northern Europe as the climate changes, according to a new study.

27 Feb 2014

Peatlands of the western Amazon

Recent investigations in western Amazonia have revealed vast peatlands, up to 8m thick in places. Because they are so remote, we know little about them compared to peatlands in the northern hemisphere. Tom Kelly and Freddie Draper explain how their work will help us understand these ecosystems and revel how big they really are.

21 Feb 2014

Diseases spread to wild bees

Diseases that have affected managed honeybee colonies for a number of years have now spread to wild bees, according to new research.

19 Feb 2014

Podcast: Rats, mice and the diseases they give us

This week in the Planet Earth podcast, Mike Begon, Andy Fenton and Federico Costa of the University of Liverpool describe the work they're doing to understand how infections like Weil's disease and bubonic plague move from rodents to people.

18 Feb 2014

Did humans transport Stonehenge rocks further than previously thought?

Scientists have pinpointed the exact source of many of the rocks used to build Stonehenge.

17 Feb 2014

Floods caused lead poisoning in UK cattle

A case of lead poisoning that killed two young cattle on a West Wales farm was caused by contaminated flood deposits, new research has revealed.

11 Feb 2014

Drought leaches carbon from Amazon

A drought in 2010 caused the Amazon basin to release more carbon into the atmosphere than it took in, new research has revealed.

5 Feb 2014

Podcast: Why the River Thames faces a pollution crackdown

This week in the Planet Earth podcast, Paul Whitehead of the University of Oxford and Mark Barnett of the Environment Agency explain why the UK's River Thames will fail to meet new pollution standards unless farmers and water companies take radical action.

4 Feb 2014