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Hungary's Toxic Spill

We visit western Hungary and find out how the area hit by toxic sludge is recovering

• 18 mins

The $1bn Ganges project

Filthy and embarrassing, the Ganges needs help - we explore how the Thames can save it

• 18 mins

What slums can teach us

The world's slums are booming - so what can they teach us about enterprise and community?

• 18 mins

Is it time to embrace our slums?

For the second part of his series on slums, Paul Mason asks if they are here forever.

• 18 mins

Life under the Balkans

Three kilometres underground, the Dinaric Arc has been called Europe's Amazon forest.

• 18 mins

Obama leaves greens blue

The American president struggles to match his green aspirations with political reality.

• 18 mins

An Interview With Al Gore

The Nobel laureate talks false science, oil addiction and why victory is inevitable.

• 18 mins

On The Fracking Frontline

The critics and the defenders desperate to win the battle over shale gas.

• 18 mins

Forty Years On

It's 40 years since the birth of the green movement. How has it fared? We find out.

• 18 mins

More Than One Planet

What would we do if it turned out there was more than one planet like Earth?

• 18 mins

Forest fights and calming cities

The environmental battles over the paper industry, plus urban design and the London riots.

• 18 mins

The Search for Kyoto's Successor

Why we might not see a new deal on climate change until 2020.

• 18 mins

04/06/2009

Mike seeks an oceans protector, hears from African fishermen, and learns of acidic seas.

• 26 mins

Seven Billion People

The world's population is due to hit seven billion next week - cause for joy or concern?

• 18 mins

Thailand's Floods

How Thailand is coping with its worst floods in decades.

• 18 mins

Asia's Next Disaster

A special debate from Bangkok on the future of disaster management in Asia.

• 18 mins

China, Banker to the World

How the world's most populous nation has become the world's favourite banker.

• 18 mins

Afghan pollution and African pop

Air pollution kills more in Kabul than conflict, plus music, aid and celebrity in Kinshasa

• 18 mins

Solar power and strong women

Cuts threaten the solar industry, plus why women are key to climate change action.

• 18 mins

How Kyoto Failed Africa

Why isn't Africa benefiting from the Clean Development Mechanism?

• 18 mins

The $100bn Fundraiser

Vulnerable nations were promised $100bn to help adapt to climate change - where is it?

• 18 mins

What did Durban achieve?

The ups and downs of the Durban summit, plus empty homes and the great beaver audit.

• 18 mins

Are Clouds Green?

Clouds in cold climates and the environmental impact of our lives online.

• 18 mins

Unexplored Planet

A hundred years after Amundsen reached the South Pole, is there anywhere left to explore?

• 18 mins

Taking Back the LA River

The campaign to revive the Los Angeles river - from concrete stormdrain to natural habitat

• 18 mins

Airlines united against Europe

Stormy reaction to the EU's new carbon tax on planes, plus environmental loopholes.

• 18 mins

The Dry Lands of Texas

Texas suffers its worst drought ever, plus conservative conservation and renewable layoffs

• 18 mins

Fuel Fights and Happy Birds

Fuel protests in Africa, glaciers on the Equator and birdsong in an office.

• 18 mins

Rare metals and smart lizards

Global pressure on rare metal supplies, plus smarter lizards through climate change.

• 18 mins

Generation Jobless

Millions of young people worldwide are unemployed - are we creating a lost generation?

• 18 mins