Hydroelectric dam | Great Continental Railway Journeys

Fashion's Dirty Secrets | Stacey Dooley

Stacey Dooley uncovers the shocking environmental impact caused by an insatiable appetite for cheap clothing.

03: Food, Fire and Water | Supersized Earth

Dallas Campbell examines what it takes to keep seven billion humans alive with food, energy and water.

Episode 1 | Planet Oil: The Treasure That Conquered The World

From the moment we first drilled for oil, we opened a Pandora's box that changed the world forever. It transfor...

Amazon deforestation | Meat: A Threat to Our Planet?

Liz Bonnin witnesses the devastation of the Amazon rainforest from the sky.

Meat: A Threat to Our Planet?

From colossal farms in America to the destruction of the Amazon, Liz Bonnin investigates how our hunger for meat is killing our planet.

Episode 2 | Planet Oil: The Treasure That Conquered The World

Professor Iain Stewart looks back at the 1950s, a time when the oil and gas fields of the Middle East became a ...

04: Wind | Powering Britain

Keeley Donovan heads 75 miles off the Yorkshire coast to see the building of Hornsea One, which is currently the world's biggest offshore windfarm.

Energy | Bang Goes The Theory

Jem Stansfield, Liz Bonnin and Maggie Philbin investigate how close Britain might get to running out of electricity.

Episode 2 | War on Plastic with Hugh and Anita

Hugh and Anita's attempts to solve our plastic problems continue. Anita tackles bathroom plastics whilst Hugh learns that micr...

Episode 1 | Hugh's War on Waste

Hugh Fearnley-Whittingstall wants to find out why the UK wastes so much food. He challenges supermarkets to drastically reduce the amount of ...

03: Laying the Foundations | Building the Olympic Dream

With nine billion pounds to spend on creating an Olympic Park, London 2012's bosses face some big challenges.

Fruit and Veg | What Britain Buys and Sells in a Day

Ed Balls, Ade Adepitan and Cherry Healey delve into the hectic world of Britain's imports and exports. Ed is at London G...

Fracking: The New Energy Rush | Horizon

Iain Stewart investigates a controversial energy rush for the natural gas found deep underground, sometimes right under the places pe...

Svalbard | Scandinavia with Simon Reeve

Simon Reeve explores Svalbard and its mineral resources and how this causes diplomatic tension for the primed real estate.

Feast to Save the Planet | Horizon

Gregg Wallace and mathematician Hannah Fry invite five special guests to a unique dinner party where they are scored on the environmental ...

Episode 1 | Future of Food

George Alagiah travels the world to reveal a growing global food crisis. He investigates population growth, climate change, water shortages and wh...

Why Is Food So Expensive? | Panorama

Food prices are rising at their fastest rate in more than 40 years. As the cost-of-living crisis continues to squeeze budgets, Panorama ...

The Coffee Trail with Simon Reeve | This World

Simon Reeve heads to Vietnam to uncover the stories behind the morning pick-me-up. He travels to the central highlands, where ...

Episode 2 | Future of Food

George Alagiah travels the world to reveal a growing global food crisis. He discovers how a changing diet in the developing world is putting press...

Episode 3 | War on Plastic with Hugh and Anita

In this final episode, Anita looks at single-use toys whilst Hugh reveals the plastics industry's plans to dramatically increa...