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Cocoa Loco

Cocoa costs have soared recently. Tom Heap asks if costly chocolate might be good for all.

• 30 mins

Greening the Teens

Costing the Earth finds out if teenagers can really learn to turn the lights out.

• 30 mins

The Real Avatar

Tim Hirsch travels to the Amazon to see the 'real Avatar' and the dam which threatens them

• 30 mins

California Gasping

Is California's desperate search for water at an end? Tom Heap reports.

• 30 mins

Nature's Medicine Cabinet

Can plants and animals inspire a new generation of medicine? Alice Roberts reports.

• 30 mins

Can you spare some change please?

Are the food aid policies of many UK-based aid agencies actually making the problem worse?

• 30 mins

Greening the Building

Tom Heap asks whether the building industry can meet targets on energy-efficient homes.

• 30 mins

A Clean Break

How do you have a good time without destroying the planet?

• 30 mins

Plenty more fish in the sea?

Miriam O'Reilly looks at the Common Fisheries Policy and its effect on UK fish stocks.

• 30 mins

Flooding

Charlotte Smith asks whether agricultural practices could assist flood prevention.

• 30 mins

Green Cities

Tom Heap investigates the importance of wildlife within the urban environment.

• 30 mins

The Environmental Impact of Professional Football

Tom Heap explores the impact of professional football on the environment.

• 30 mins

War on Waste

Miriam O'Reilly investigates the reality of recycling our rubbish.

• 30 mins

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