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Defenders of the Reef

Meet the people fighting to save the natural wonder of the world, the Great Barrier Reef.

• 30 mins

Coral versus Coal

Why has Australia failed to arrest the decline of the Great Barrier Reef?

• 30 mins

A Greener 91Èȱ¬ For All

The UK needs 300,000 new homes a year, Tom Heap asks if building big can also be green.

• 30 mins

Superwood

Wood can do anything that oil can do. Could it be the backbone of a future economy?

• 30 mins

Microfibre Detectives

Tom Heap asks how dangerous plastic microfibres from clothes are and explores solutions.

• 30 mins

Dunes into Bunkers

Should we build golf courses on sensitive sand dunes? Peter Gibbs investigates.

• 30 mins

Shifting Spring

Lindsey Chapman investigates how shifting seasons are affecting wildlife.

• 30 mins

Undiscovered Colombia

Scientists gain first access to thousands of uncharted species following years of war.

• 30 mins

Demolishing Dams

Why dismantle a dam that produces low-carbon electricity? Peter Gibbs investigates.

• 30 mins

Antarctic Assault

The penguins of the Antarctic rely on krill. What happens when we get a taste for it?

• 30 mins

Outback Outrage

The Australian outback is under attack from a surprising enemy - the camel.

• 30 mins

Run Rabbit

Britain's rabbits are in sharp decline. Tom Heap asks if we should be worried.

• 30 mins

Disappearing Alps

The permafrost is thawing, and the glaciers retreating. What will be left of the Alps?

• 30 mins

The Future of the Countryside

Tom Heap leads a debate on the future of food production and the countryside.

• 30 mins

Verity and the Bees

Verity Sharp wants to keep bees, but will her honeybees be a menace to other pollinators?

• 30 mins

Ending the Plastic Age

Solving the plastic problem. Four experts join Tom Heap to offer fresh answers.

• 30 mins

Fertility and the Environment

Jheni Osman asks what environmental factors may be affecting human and animal fertility.

• 28 mins

Electric Dreams

Is it time to buy an electric car? Peter Gibbs takes the plunge.

• 28 mins

Helen Czerski's Arctic Expedition

After six weeks at the North Pole, Helen Czerski has new insights into climate change.

• 28 mins

Man vs Woman vs Planet

Lucy Siegle and Tom Heap ask which gender is worse for the environment and why it matters.

• 28 mins

Plasticphobia

Tom Heap asks if going plastic-free risks harming the environment.

• 28 mins

The Real Cost of Chinese Medicine

Endangered animals are paying the price for the spread of traditional Chinese medicine.

• 28 mins

Wetland Wonder

Wetlands are disappearing three times faster than forests, but the damage can be reversed.

• 28 mins

March of the Wet Wipes

Our sewerage system is grinding to a halt. The culprits are wet wipes.

• 28 mins

Art and the Environment

Could art help us see, hear and feel the problems facing our planet? Tom Heap finds out.

• 28 mins

Heat from the Deep

Can we exploit the hot rocks beneath the earth's crust for power? Peter Gibbs reports.

• 28 mins

The Future of Our National Parks

How can the UK's best-loved landscapes work better for people and wildlife?

• 28 mins

Hit the Gas!

From the cattle shed to the racetrack. How ammonia cleaned up its act.

• 28 mins

Tread Lightly

Tyres have an enormous impact on the environment. What can be done to make them better?

• 28 mins

Clean Air for Kids

Clean air - the fightback: Tom Heap investigates air pollution and children's health.

• 28 mins