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Cities Without Cars

Keeping cars out of the city: Chris Ledgard explores new plans in Paris and Barcelona.

• 30 mins

Fruits of the Forest

Can the growing of fashionable super fruits save the Amazon rain forest?

• 28 mins

The Growing Season

The warmer climate is extending the growing season, Peter Gibbs asks if this is good news.

• 30 mins

Spiritual Greens

Tom Heap assesses 50 years of green activism with leading members of the movement.

• 30 mins

Wildlife-Friendly Motorways

Can you build a motorway that does not wipe out wildlife? Tom Heap investigates.

• 30 mins

The British Countryside after Brexit

Tom Heap hears four visions for the future of the British countryside after Brexit.

• 30 mins

Forests of the Orangutan

Some of the last refuges of the orangutan are under threat. Peter Hadfield reports.

• 30 mins

Nuclear Futures

Britain's nuclear power stations are being pushed to run well past their planned lifespan.

• 30 mins

Putting the Fizz Back into Planet Earth

Can we find a use for all that pesky climate-changing carbon dioxide? Tom Heap reports.

• 30 mins

Cruising: A Dirty Secret

Tom Heap investigates the link between cruise ships and poor air quality.

• 30 mins

America's Energy Independence

What does the election of Donald Trump as president of the USA mean for the environment?

• 30 mins

Fighting Fire

Tom Heap asks if we can stop the global wildfire epidemic.

• 30 mins

Rig Retirement

Should we consider alternative ways to retire old oil and gas platforms?

• 30 mins

Black Gold in Paradise

Oil exploration has begun in the most biodiverse place on earth. Tom Heap investigates.

• 30 mins

Soil Saviours

Can putting carbon back into the soil help in the fight against climate change?

• 30 mins

Delivering Clean Air

More delivery trucks means more air pollution in our cities. Tom Heap looks for an answer.

• 30 mins

Heroines of the Rainforest

Two remarkable women have found a formula to save the last of the Indonesian rainforest.

• 30 mins

Trump's Big Sell Off

Tom Heap examines the future for America's Wild West and its Mild East under Trump.

• 30 mins

Unfrozen North

What happens in the world's most northerly town when the permafrost defrosts?

• 30 mins

Fishing Future

Can Brexit save the British fishing industry? Tom Heap investigates.

• 30 mins

Reasons to Be Cheerful?

The Skoll World Forum aims to help entrepreneurs solve global problems. Tom Heap reports.

• 30 mins

Sinking Solomon Islands

Five of the Solomon Islands have already been lost to the sea. How are the locals coping?

• 30 mins

Insulation for the Nation

Tom Heaps asks if insulation and power-saving gadgets can cut carbon emissions from homes.

• 30 mins

Made to Last?

How long do you expect your electronic gadgets and clothes to last? Time to fight back.

• 30 mins

Exploding Penguins

Peter Gibbs meets the Penguins of the Falkland Islands.

• 30 mins

Mekong Delta Blues

Enormous new dams threaten life on one of south east Asia's most vital rivers.

• 30 mins

Future Forests

Can Britain revive its forests and grow the wood we need for a greener economy?

• 30 mins

James Wong on the World's Toughest Plants

How much is UK food security threatened by climate change? Botanist James Wong finds out.

• 30 mins

Tourist Tide

Can beautiful places welcome mass tourism without environmental destruction?

• 30 mins

Battery Powered Britain

New developments in battery technology are changing the way Britain is powered.

• 30 mins