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Perth

Perth, the most isolated city in the world, is highly vulnerable to climate change.

• 30 mins

The Battle for the Murray Darling

How is Australia going to manage its water supplies for its growing population?

• 30 mins

Biofuels

A look at the new green fuels and how the technology can best be utilised.

• 30 mins

Cave Carnage

Europe's strangest species are under threat of extinction. Tom Heap investigates.

• 30 mins

Bug Mac and Flies

Tom Heap adds locusts to his grocery shopping list and asks if we should all eat bugs.

• 30 mins

The Air That I Breathe

How can you help your family breathe clean air? Tom Heap investigates.

• 28 mins

A Very Large Hole in the Sahara

Miranda Krestovnikoff discovers ways that scientists could use to halt sea level rise.

• 28 mins

Waters of Arabia

Will Yemen be the first nation to run out of water? Leana Hosea reports from Sana'a.

• 30 mins

High Speed Hell?

How much disruption will a new high speed rail line really cause? Tom Heap reports.

• 30 mins

Gold of the Conquistadors

Mining is booming in South America. That's bad news for the environment.

• 30 mins

March of the Pylons

Britain's electricity grid needs replacing. Does that mean a new invasion of the pylons?

• 30 mins

Let it Snow!

Tom Heap investigates ways to keep Britain moving if we have another harsh winter.

• 30 mins

Bottle Bank Wars

In San Francisco, recycling is so profitable that they're fighting over the trash.

• 30 mins

Adapting Insects

Can we adapt disease-carrying insects to become friends not foes? Alice Roberts reports.

• 30 mins

Bambi Bites Back

Deer numbers are rising fast. Tom Heap asks what this means for the rural landscape.

• 30 mins

Tunnel Beneath the Thames

Raw sewage regularly pours into the River Thames. Alice Roberts looks for an answer.

• 30 mins

Nuclear Power Without the Nasties

Could there be a cheaper, safer way to create nuclear energy? Julian Rush investigates.

• 30 mins

Rebel Without a Car

Young people are turning their back on the car. Tom Heap asks if it has a future.

• 30 mins

The Power of Peat

The peatlands of the British Isles are being destroyed. Tom Heap reports.

• 30 mins

Outbreak

Where will the next pandemic come from and how can it be stopped? Tom Heap investigates.

• 30 mins

Sands of Time

Britain's sand dunes are running out of time. Tom Heap joins the battle to save them.

• 30 mins

Frozen Fish

Is it too late to save the healthy fish stocks of the Antarctic? Gerard Baker reports.

• 30 mins

What lies beneath

Mining is set to return to Cornwall as tin and tungsten prices continue to rise.

• 30 mins

Britain in Flames

Is the UK ready for a new season of wildfires? Tom Heap investigates.

• 30 mins

Cruise Ships and Creeks

Falmouth's plans to attract cruise ships could damage the environment. Tom Heap reports.

• 30 mins

Genetically Modified Brunch

Could a new generation of genetically-modified crops attract the public? Tom Heap reports

• 30 mins

Return of the king

Coal is the dirtiest fuel, but consumption is rising. Tom Heap investigates.

• 30 mins

Pushing Water

Drought in the south but plenty of water elsewhere. Why not move it? Tom Heap investigates

• 30 mins

Jellyfish Invasion!

Miranda Krestovnikoff examines claims that jellyfish are taking over the world's oceans.

• 30 mins

Britain from 2060: The Land

What will Britain's landscape look like in 2060? Tom Heap on our changing climate.

• 30 mins