Katrina: An Unnatural Disaster

Five years after the devastation of Katrina, is New Orleans safe from hurricane and flood?

• 30 mins

Blackpool: the New Dallas?

Deepwater drilling for oil and gas is dangerous. Can we find our supplies closer to home?

• 30 mins

Working from Home

Dr Alice Roberts finds out if we can save the planet by staying in our pyjamas.

• 30 mins

The Revenge of the Stairs

Can we redesign our cities to improve our health? Tom Heap investigates.

• 30 mins

Carbon Capture and Storage

Tom Heap finds out if Carbon Capture and Storage will ever be the magic bullet we need.

• 30 mins

Plastic Pollution

Dr Alice Roberts investigates the growing problem of plastic floating in the sea.

• 30 mins

Can Lawyers Save The World?

Could courts of law be the first refuge for victims of climate change? Tom Heap finds out.

• 30 mins

Grapes of Wrath

Is the golden age of wine coming to an end? Tom Heap reports from the Mosel Valley.

• 30 mins

Spring Forwards, Fall Backwards

The clocks change next week. Alice Roberts asks if this is madness for the environment.

• 30 mins

Into the Arctic

The Arctic is melting. The battle over its resources is just beginning. Tom Heap reports.

• 30 mins

Arctic Dreams

How the melting Arctic is changing the lives of the people of the north.

• 30 mins

Digging Britain

Dr Alice Roberts examines the impact of metal detecting on our heritage and landscape.

• 30 mins

The Real Eco Warriors?

Could the military lead us into a green future? Tom Heap investigates.

• 30 mins

OK Coral

Could coral provide answers as to how our environment adapts or fails? Tom Heap finds out.

• 30 mins

Fur or Faux?

Campaigners for fur claim it's natural, renewable and sustainable. Tom Heap investigates.

• 30 mins

Carbon Trading

Why has capitalism's answer to climate change failed? Tom Heap investigates.

• 30 mins

Britain's Nuclear Future

What next for the British nuclear industry? Tom Heap reports on the future of fission.

• 30 mins

Alien Invaders

Invasive species are a growing problem. Tom Heap asks if we can really live without them.

• 30 mins

Fields Paved with Gold

Tom Heap asks whether the UK is ready for a solar goldrush.

• 30 mins

Deepwater Horizon - The Real Damage

Tom Heap looks at the environmental impact of Deepwater Horizon one year on.

• 30 mins

Peak Leak

Tom Heap investigates potential oil leaks from sunken vessels around our coastline.

• 30 mins

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