Secondary Geography

Tornado rotation | Dangerous Earth

Dr Helen Czerski explains what creates the rotation of a tornado.

What causes flooding? | Bang Goes the Theory

A demonstration of how rainfall and changing landscapes are causing more severe flooding.

1958 Tallest Tsunami on Record | 10 Things You Didn't Know About…

Iain Stewart investigates the highest Tsunami wave ever recorded in history.

Predicting earthquakes in Turkey | 10 Things You Didn't Know About…

Scientists have developed a method of predicting earthquakes on the North Anatolian Fault.

Sea Level Rise | Climate Change: The Facts

The impact that rising sea levels is having on the landscape and people in Louisiana.

Effects of Volcanoes | 10 Things You Didn't Know About…

Iain Stewart investigates the largest volcanic eruption in recorded history and its effect on global weather.

Carbon dioxide | A Perfect Planet

Humans now release 100 times more carbon every year than all the Earth's volcanoes combined.

Earthquake proof buildings and liquefaction | Journeys into the Ring of Fire

Iain Stewart investigates how Japanese buildings have been designed to withstand earthquakes.

Boxing Day Tsunami | 10 Things You Didn't Know About…

Iain Stewart explains what caused the Boxing Day Tsunami and discusses its devastating impact.

Earthquake prediction | World's Busiest Cities

The vital importance of earthquake prediction in Mexico City.

Earthquake Engineering | 10 Things You Didn't Know About…

Iain Stewart investigates the 1985 Mexico City earthquake and how buildings are now being engineered in Mexico to...

2004 Indian Ocean earthquake and tsunami | Volcano Live

Demonstrations of what happened to cause the earthquake and then tsunami in the Indian Ocean in 2004.

Earthquake proof bridge | Bang Goes the Theory

The new Bay Bridge in San Francisco has been designed to withstand the impact of an earthquake.

The Cause: Plate Tectonics | 10 Things You Didn't Know About…

Iain Stewart explains how the earth is divided into plates and how movement between these plates produces ear...

Anak Krakatoa | 10 Things You Didn't Know About…

Iain Stewart investigates Indonesia's largest volcano Krakatoa and it's devastating eruption in 1883.

Natural flood prevention | Bang Goes the Theory

Methods of natural flood prevention that have been put in place in Pickering, North Yorkshire.

Plate tectonics | Volcano Live

Professor Iain Stewart explains how plate tectonics cause volcanos and earthquakes.

Carbon dioxide threat surrounding Nyiragongo | Expedition Volcano

Scientists in areas surrounding Nyiragongo educate villagers about the threat of carbon dioxide.

The Geology of Japan | Journeys into the Ring of Fire

Iain Stewart explains the geology of the tectonic plates that make up the landscapes of Japan.

The effects of eruptions from Mount Sakurajima and the management strategies in place | Journeys into the Ring of Fire

Iain Stewart investigates how people living in the sha...

Mt Etna | 10 Things You Didn't Know About…

Iain Stewart investigates the eruptions from Europe's highest and most active volcano, Mount Etna.

Coming back to life | A Perfect Planet

The Wood frog has an incredible defrosting ability.

The boiling sea | Blue Planet II

Lantern fish provide a rare banquet for some of the ocean’s top predators.

Indigenous communities in the Amazon | Amazon under Threat

Since the election of Jair Bolsonaro as president of Brazil, the protected rainforest reserves of indigenous group...

Trees and carbon | Amazon under Threat

A demonstration of the importance of trees for climate change.

How deforestation in Madagascar is threatening animal habitats | Deadly Dilemmas

UK teenagers witness first hand the major issues Madagascan wildlife is facing. They explore...

Flooded forest | Earth's Great Rivers

Wildlife thrives in the Amazon during the wet season.

Habitat destruction | Extinction: The Facts

The impact of soy consumption on habitats, with a focus on ant eater habitats.

Forest education | Life

In the Sumatran rainforest, a female orangutan still looks after her 6-year-old daughter; it will be another three years before her education is comp...

A salt flat lizard searches for water | Mountain: Life at the Extreme

These lizards rely on flies as their source of food and water.

The importance of giraffes | Natural World

Recent discoveries in giraffe’s movements and behaviours are unveiled.

Biodiversity | Our World

A team of botanists from Kew discuss the importance of protecting biodiversity.

Undiscovered species of plant | Our World

Thousands of undiscovered species, with potentially life saving properties, are at risk due to deforestation in Columbia.

Fungi | Planet Earth

The high humidity of the rainforest creates the ideal environment for life built on decay.

Life in Death Valley | Planet Earth

A single shower can transform Death Valley.

Moisture in the Atacama | Planet Earth

Life exists in a strip of the Atacama Desert due to fog that blows in from the sea.

Winter in Antarctica | Seven Worlds, One Planet

During the winter, Antarctica doubles in size; however, the frozen surface hides a great secret.

The Living Planet: Heights of diversity

Rich jungle habitats reflect the warmth and wetness at the equator.

Life in icy environments | The Secret Life of Ice

Dr Gabrielle Walker investigates how life has evolved in icy underwater environments.

2: Bangladesh and Bhutan | Climate Change: Ade on the Frontline

In Bangladesh and Bhutan, Ade Adepitan sees the damage that climate change is causing and finds out how we ca...

3: Scandinavia | Climate Change: Ade on the Frontline

In the final episode, Ade Adepitan heads to Scandinavia. As he travels across the region, he learns about winter temper...

1: The Solomon Islands and Australia | Climate Change: Ade on the Frontline

Ade Adepitan sees the damage that climate change is causing, and finds out how we can fight it - ...

Rising temperatures and British agriculture | Panorama

The impact of rising temperatures on British agriculture.

Rising temperatures and wildfires | Panorama

Rising temperatures are causing wildfires in dry areas of Britain.

Climate Modelling | Climate Change By Numbers

An exploration of Meteorological technology that has been developed to predict the weather and how accurate it can be.

Is the earth warming? | Climate Change By Numbers

Dr Hannah Fry explains how we have come to the statistic that the earth has warmed by 0.85 degrees Celsius since the 1880's...

Greenhouse Gases | Climate Change: The Facts

A discussion of the devastating impact of burning fossil fuels.

Climate change predictions | Panorama

The MET Office provide a visualisation of how much the planet could warm by the end of the century, if we do not curb our emissions.

Climate change | Royal Institution Christmas Lectures

Professor Chris Jackson discusses the extreme climate change in the last 100 years.

Energy and climate change | Royal Institution Christmas Lectures

Dr Helen Czerski demonstrates how climate change is impacting the ocean.

The ocean and the earth's climate | Royal Institution Christmas Lectures

Dr Helen Czerski demonstrates how the ocean regulates the earth's climate with stored up heat energy.

Climate injustice | Royal Institution Christmas Lectures

The people and areas that are being most affected by climate change are often those which contribute the least.

Greta meets David Attenborough | Greta Thunberg: A Year to Change the World

Greta Thunberg and David Attenborough discuss their hopes for the future of the planet.

The climate activist sets out her mission | Greta Thunberg: A Year to Change the World

Greta Thunberg describes the scale of the challenge to address climate change, with ti...

How can individuals fight climate change? | Pilgrimage

Justin Rowlatt talks to the Pavier family about the changes they have made to their lifestyle to fight climate change.

Adapting to solar farming | Weather World

Sarah Keith-Lucas visits a farm in Kent that has adapted its activities in response to the challenges of climate change.

Climate change and arable farming | Weather World

Sarah Keith-Lucas visits a farm in Kent and finds out how arable farming is affected by climate change.

Preparing for extreme rainfall | Weather World

A look at a new reservoir intended to protect Thatcham from flooding caused by climate change.

Tornado rotation | Dangerous Earth

Dr Helen Czerski explains what creates the rotation of a tornado.

El Niño | Journeys into the Ring of Fire

Iain Stewart explains the causes and impacts of the warmer waters created by the El Niño effect.

Tornado | Wild Weather with Richard Hammond

Richard Hammond explains what causes a tornado.

Monsoon | How Earth Made Us

Iain Stewart investigates what causes monsoons.

Measuring Wind Speed | Wild Weather with Richard Hammond

Richard Hammond explains how the 'Dominator' measures the wind speed of a tornado.

Thunder and Lightning | Wild Weather with Richard Hammond

Richard Hammond demonstrates the weather conditions that produce thunder and lightning.

Storms in 2020 | Panorama

Justin Rowlatt investigates the impact of the storms Dennis and Ciara that hit Britain in 2020.

Hail | Wild Weather with Richard Hammond

Richard Hammond explains how hail is formed by looking at the layers inside a hail stone.

The three basic shapes to clouds | Cloudspotting

Gavin Pretor-Pinney introduces the three basic shapes of clouds: cumulus, cirrus and stratus.

What causes a storm surge? | Bang Goes the Theory

Maggie Philbin demonstrates what causes a storm surge.

Wind speed and strength | Dangerous Earth

Dr Helen Czerski investigates the wind speed and strength of a tornado.

Wind Speed | Wild Weather with Richard Hammond

Richard Hammond experiences extreme wind and explains why it always tends to be windy at the top of a mountain.

Lightning and wildfires | Earth From Space

Satellite footage captures lightning storms in California.

Heat in the UK | Wild Weather

An exploration of Britain's highest temperatures in Cheltenham.

Rain Versus Drizzle | Wild Weather with Richard Hammond

Richard Hammond explains how rain is formed and why it is different to drizzle.

Why can we see tornados? | Dangerous Earth

Dr Helen Czerski explains how we can see tornados.

Upwards lightning | Dangerous Earth

High speed cameras have captured rare instances of lightning travelling upwards.

The weather and bird migration | Learning Zone

This clip investigates how birds take advantage of changes in the weather to make their migration easier.

Rain, fog and snow | Cloudspotting

Gavin Pretor-Pinney does an experiment to demonstrate how all rain starts as snow.

Cloud in a bottle | Cloudspotting

By making a cloud in a bottle, Gavin Pretor-Pinney demonstrates the role that dirty air plays in the formation of clouds.

Renewable Energy | Around Scotland

A house powered by three different forms of renewable energy.

Wave power | Around Scotland

An exploration of renewable energy source, wave power, on the island of Isla.

Renewable Energy | Climate Change: The Facts

Methods of producing renewable energy and reducing carbon emissions.

Scottish wind farms | Making Scotland's Landscape

Professor Iain Stewart discusses wind power in Scotland.

Sustainable cities | Planet Oil: The Treasure That Conquered the World

Professor Iain Stewart visits Masdar in Abu Dhabi, a city that relies on renewable energy.

Arguments against wind turbines | Power to the People

Arguments for and against building more wind turbines in Scotland.

Problems with renewable energy | Power to the People

Local residents fight against the introduction of power lines and renewable energy sources into the landscape.

Inside a wind turbine | Powering Britain

What a wind turbine looks like inside.

Storing renewable energy | Royal Institution Christmas Lectures

Dr Tara Shine and Dr Enass Abo-Hamed explain how we can store renewable energy.

Aluminium and hydroelectric power | The Great British Countryside

The valleys of the Scottish Highlands, created by an ice age 2.5 million years ago, are crucial in the prod...

Liquid Air Energy Storage | Bang Goes the Theory

A demonstration of how liquid air energy storage would function.

Fracking | Planet Oil: The Treasure That Conquered the World

Professor Iain Stewart explains the process of fracking.

Renewable Energy | Climate Change: The Facts

Methods of producing renewable energy and reducing carbon emissions.

Resources and waste | Earth From Space

Satellite images depict how humans have exploited natural resources and the waste that we have left behind.

Carbon dioxide levels | Planet Oil: The Treasure That Conquered the World

Professor Iain Stewart outlines the increasing levels of carbon dioxide in the atmosphere.

Wind power vs nuclear power | Coast

A discussion of the pros and cons of wind power and nuclear power.

Renewable Energy | Around Scotland

A house powered by three different forms of renewable energy.

Carbon footprint of a loaf of bread | Royal Institution Christmas Lectures

Dr Tara Shine discusses the carbon emissions from the process of baking a loaf of bread.

Sustainable cities | Planet Oil: The Treasure That Conquered the World

Professor Iain Stewart visits Masdar in Abu Dhabi, a city that relies on renewable energy.

Scottish wind farms | Making Scotland's Landscape

Professor Iain Stewart discusses wind power in Scotland.

Carbon capture and storage | Planet Oil: The Treasure That Conquered the World

Professor Iain Stewart investigates CCS, a process that is attempting to reduce carbon dioxide...

Fast fashion | Stacey Dooley

How the fashion industry keeps us buying more.

Sustainability in the fashion industry | Stacey Dooley

Stacey Dooley interviews a representative from Levi Jeans who is trying to find ways to make cotton more sustainable.

Cotton production and the Aral Sea crisis | Stacey Dooley

Stacey Dooley visits the Aral Sea Basin in Kazakhstan, which has almost entirely dried up due to cotton production.

Sediment and plastic | How Earth Made Us

Professor Iain Stewart explains how sediment becomes rock and thus how plastic waste will impact future rock.

Plastic in the sea | My Life

Isabel searches for plastic in the ocean around Bali, and explains that not all plastics in the sea are visible.

Textile industry and water pollution | Stacey Dooley

Stacey Dooley visits the Citarum river in Indonesia, which has become the most polluted river in the world due to the te...

Environmental impact on the Aral Sea | Stacey Dooley

Stacey Dooley visits the Aral Sea Basin in Kazakhstan, which has almost entirely dried up due to cotton production.

Water and cotton production | Stacey Dooley

Stacey Dooley demonstrates how much water is required to create everyday garments made from cotton.

Counting the Cost

Full-length programme. Climate change, the COVID pandemic and now the crisis in Ukraine, have disrupted supply chains and exacerbated the soaring cost of l...

Food choices and carbon footprint | Horizon

Hannah and Mike detail how environmental scientists calculate a food produces carbon footprint.

Meat, methane and carbon emissions | Horizon

Different meats are studied for their different carbon footprints and a scientist has an intriguing development on methane produ...

Desserts and carbon footprint | Horizon

Desserts are weighted against each other for their crimes against carbon emissions.

Food waste | Horizon

Some startling facts are revealed about how much we waste food as a nation.

Global Dimming | Horizon

Scientists have discovered "Global Dimming". We are getting less sunlight every year since the 1950's. There is time to avoid a catastrophe if the p...

2004, Tectonic Movement | 10 Things You Didn't Know About…

Experts examine the seabed following the 2004 Tsunami and discover an underwater cliff, the evidence of a massiv...

Cascadian Fault Line | 10 Things You Didn't Know About…

Iain Stewart investigates the Cascadian Fault Line and explains what causes super-thrust earthquakes.

Cold War Rivalry | 10 Things You Didn't Know About…

During the Cold War, America's use of seismometers to record Soviet nuclear tests lead to important discoveries about p...

Rock Avalanche | 10 Things You Didn't Know About…

Iain Stewart explains the conditions that cause rocks to flow in a rock avalanche.

The Cause: Plate Tectonics | 10 Things You Didn't Know About…

Iain Stewart explains how the earth is divided into plates and how movement between these plates produces ear...

The Mid-Atlantic Ridge | 10 Things You Didn't Know About…

Iain Stewart investigates the mid-atlantic ridge, exploring what happens to volcanos that are underwater.

The San Andreas Fault | 10 Things You Didn't Know About…

Iain Stewart discusses the discovery of the San Andreas Fault and how it triggered important discoveries about wha...

The Geology of Japan | Journeys into the Ring of Fire

Iain Stewart explains the geology of the tectonic plates that make up the landscapes of Japan.

The San Andreas Fault | Journeys into the Ring of Fire

San Francisco is located on the collision zone of two tectonic plates, making the area incredibly susceptible to earth...

Why do people still live near the fault line? | Journeys into the Ring of Fire

Iain Stewart discusses the psychological reasons that people still live on the San Andreas Fau...

Plate tectonics | Volcano Live

Professor Iain Stewart explains how plate tectonics cause volcanos and earthquakes.

Climbing the Isle of Wight Needles | Coast

Andy Torbet climbs the Isle of Wight Needles to take a sample of the chalk from the top.

Portland Bill | Coast

Nicholas Crane ventures out in a boat on the rough seas of the Portland Bill.

Chalk cliffs | The Great British Countryside

High Dennis climbs the chalk cliffs on the South East coast of England.

Geology of the North and South Downs | The Great British Countryside

Geological demonstration of how the North and South Downs were created over millions of years.

Geology of the Yorkshire Dales | The Great British Countryside

Julia Bradbury explores the geology of the limestone pavement in the Yorkshire Dales.

Malham Cove | The Great British Countryside

Hugh Dennis visits Malham Cove and explains the geology of how it was created.

Beneath the Yorkshire Dales | The Great British Countryside

Hugh Dennis ventures into Gaping Gill, a cave produced by limestone erosion.

Limestone | Planet Earth

How limestone has been shaped over millions of years into a variety of different rock formations, including underground cave systems.

The Grand Canyon | Planet Earth

For five million years, the Colorado River has carved its way through the landscape, creating the Grand Canyon.

Stalactites and stalagmites | Planet Earth

How stalactites and stalagmites are formed in caves, from limestone dissolved in water droplets.

Cenotes | Planet Earth

Footage from diving in cenotes in the Mexican Yucatan Peninsula.

Villa Luz cave | Planet Earth

Life that manages to survive in a cave in Mexico that has sulphuric acid in the water.

Lechuguilla Cave | Planet Earth

The walls of these caves are covered in fragile crystals made of gypsum, which is created when limestone is dissolved by sulphuric acid.

Flint | The Great British Countryside

Julia Bradbury investigates flint and the ancient craft of arrowhead making that it was used for.

Dartmoor granite tors | The Great British Countryside

Hugh Dennis explains the geological processes that caused the granite tors on Dartmoor.

Great Glen Fault | The Great British Countryside

Hugh Dennis and Julia Bradbury explain the movement of the Great Glen Fault in the Scottish Highlands.

Highland Boundary Fault Line | The Great British Countryside

Julia Bradbury explains the continental collision that produced the Scottish Highlands.

Sussex gypsum mining | The Great British Countryside

Hugh Dennis visits a gypsum mine under the Sussex Weald.

Geology of the Isle of Wight | Coast

Nicholas Crane explores the geology of the Isle of Wight.

Portland Bill | Coast

Nicholas Crane ventures out in a boat on the rough seas of the Portland Bill.

Chalk cliffs | The Great British Countryside

High Dennis climbs the chalk cliffs on the South East coast of England.

How Britain became an island | The Great British Countryside

Hugh Dennis explains how Britain came to be separated from Europe.

Newquay waves | The Great British Countryside

Why Newquay makes such a good surfing location.

Tintagel coast | The Great British Countryside

Hugh Dennis explores the odd mix of rocks that are brought together at Tintagel.

Wolf Rock Lighthouse | The Great British Countryside

Wolf Rock Lighthouse is built on an outcrop of igneous rock left over from a volcanic eruption over a hundred million ye...

Coral regeneration project | Indian Ocean with Simon Reeve

Simon Reeves visits a coral regeneration project in the Maldives.

Maldives coral | Indian Ocean with Simon Reeve

Simon Reeves witnesses the impact of climate change on the coral in the Maldives and explains why the islands and the ocean in...

Yorkshire coast | The Great British Countryside

How the erosion and deposition of the North Sea is impacting the Yorkshire coast.

Melting glaciers | Spy in the Wild

As spring arrives in Alaska, chunks of ice start to fall from the glaciers causing huge waves but Spy Otter & the Sea Otters find a soluti...

Controlled Avalanches | 10 Things You Didn't Know About…

Following the 'winter of terror' in 1951, many measures have been put in place to protect people from avalanches, ...

Formation | 10 Things You Didn't Know About…

Iain Stewart explains the complex conditions that produce an avalanche.

Kolka Glacier | 10 Things You Didn't Know About…

Iain Stewart explains how an avalanche caused by global warming forced a large section of the Kolka glacier to break away ...

The Saltation Layer | 10 Things You Didn't Know About…

From a bunker built in the path of an avalanche, scientists discovered the saltation layer at the centre of every av...

Glaciers and climate change | Curriculum Bites

A demonstration of how climate change is impacting glaciers.

Glacier submarine melting | Dangerous Earth

How glacier submarine melting is causing more icebergs to separate.

Iceberg B-31 | Dangerous Earth

Dr Helen Czerski explores how Iceberg B-31 separated from the Pine Island Glacier.

The threat of icebergs | Dangerous Earth

Dr Helen Czerski explains how icebergs float and what makes them so dangerous.

Chimborazo Glacier | Earth From Space

Satellite images depict the rapid rate at which the Chimborazo Glacier in Ecuador is melting.

How glaciers move | Europe: A Natural History

An exploration of how glaciers move, erode landscapes and move debris.

Just how big were the ice sheets that covered Europe? | Europe: A Natural History

A demonstration of how big the European ice sheets were.

What caused the Ice Age in Europe? | Europe: A Natural History

An explanation of what causes an ice age and how ice has shaped landscapes.

Disruption to the ice age cycle | How Earth Made Us

Professor Iain Stewart explains how humans prevented the next stage of the ice age cycle.

Calving of a mega-berg | Operation Iceberg

Footage of the calving of a mega-berg from the Store glacier.

Melt water and glacier movement | Operation Iceberg

The melt water data from a glacier lake provides an explanation for the movement of the Store glacier.

Store glacier speed | Operation Iceberg

The calving of an iceberg at the Store glacier provides data about how fast the glacier is moving.

Glacier colour | The Secret Life of Ice

Dr Gabrielle Walker explores the Jostedalsbreen glacier in Norway and explains the different colours of glacier ice.

Ice and climate change | The Secret Life of Ice

Dr Gabrielle Walker investigates the ability of ice to preserve carbon dioxide and thus demonstrate how our climate has chang...

How glaciers form | Earth: The Power of the Planet

Dr Iain Stewart explains how snow is transformed into glacier ice.

River Landscapes: Part 1 | Physical Environments

Rivers shape the landscapes around them, created by the power of water. Derek Mackay explains how rivers change from source ...

River Landscapes: Part 2 | Physical Environments

Rivers shape the landscapes around them, created by the power of water. Derek Mackay explains how rivers change from source ...

Three Billion Years in the Making | British Isles: A Natural History

Alan Titchmarsh travels Britain to discover why our islands are so diverse, peeling back the layers of t...

Chalk cliffs | The Great British Countryside

High Dennis climbs the chalk cliffs on the South East coast of England.

Islands Apart | British Isles: A Natural History

Alan Titchmarsh travels Britain to discover why our islands are so diverse and extreme. When the Ice Age ended and the seas ...

Taming the Wild | British Isles: A Natural History

Armed with stone axes and grim determination, a few thousand people turned our islands from forest to farm. Alan Titchmars...

Revolution | British Isles: A Natural History

Alan Titchmarsh travels Britain to discover why our islands are so diverse and extreme. He explores a time when industry change...

Deserts, Dinosaurs and Volcanoes | British Isles: A Natural History

Alan Titchmarsh uncovers how the British Isles were formed and looks back to a time when dinosaurs roamed...

Modern Times | British Isles: A Natural History

Close encounters with rare red squirrels and bats hiding in the silos at Greenham Common - Alan Titchmarsh reveals a hundred ...

Our Future | British Isles: A Natural History

Alan Titchmarsh travels Britain to discover why our islands are so diverse and extreme. He concludes his journey and asks what ...

Ice Age | British Isles: A Natural History

Alan Titchmarsh travels Britain to discover why our islands are so diverse, beautiful and extreme. He looks back to the last Ice A...

How Britain became an island | The Great British Countryside

Hugh Dennis explains how Britain came to be separated from Europe.

Climbing the Isle of Wight Needles | Coast

Andy Torbet climbs the Isle of Wight Needles to take a sample of the chalk from the top.

Geology of the Isle of Wight | Coast

Nicholas Crane explores the geology of the Isle of Wight.

Portland Bill | Coast

Nicholas Crane ventures out in a boat on the rough seas of the Portland Bill.

Cliffhanger | Men of Rock

Dr Iain Stewart climbs a coastal sea stack and explains its geology.

Geology of the North and South Downs | The Great British Countryside

Geological demonstration of how the North and South Downs were created over millions of years.

Highland Boundary Fault Line | The Great British Countryside

Julia Bradbury explains the continental collision that produced the Scottish Highlands.

Newquay waves | The Great British Countryside

Why Newquay makes such a good surfing location.

Tintagel coast | The Great British Countryside

Hugh Dennis explores the odd mix of rocks that are brought together at Tintagel.

Wolf Rock Lighthouse | The Great British Countryside

Wolf Rock Lighthouse is built on an outcrop of igneous rock left over from a volcanic eruption over a hundred million ye...

Beneath the Yorkshire Dales | The Great British Countryside

Hugh Dennis ventures into Gaping Gill, a cave produced by limestone erosion.

Geology of the Yorkshire Dales | The Great British Countryside

Julia Bradbury explores the geology of the limestone pavement in the Yorkshire Dales.

Hardraw Force | The Great British Countryside

Hugh Dennis visits a waterfall in the Yorkshire Dales that has created a gorge in the landscape.

Malham Cove | The Great British Countryside

Hugh Dennis visits Malham Cove and explains the geology of how it was created.

Pavement Knowledge | The Trip

An explanation of the geological conditions that produced the limestone pavement in the Yorkshire Dales.

Dartmoor granite tors | The Great British Countryside

Hugh Dennis explains the geological processes that caused the granite tors on Dartmoor.

Flint | The Great British Countryside

Julia Bradbury investigates flint and the ancient craft of arrowhead making that it was used for.

Great Glen Fault | The Great British Countryside

Hugh Dennis and Julia Bradbury explain the movement of the Great Glen Fault in the Scottish Highlands.

Coastal erosion at Hallsands causes and effects | Coast

An exploration of a coastal village that was completely destroyed by a storm.

Coastal erosion | Panorama

The erosion of the coastline and destruction of homes by storms.

Coffee | Blood, Sweat and Luxuries

Young British consumers work alongside luxury goods makers in Africa and Asia. The Brits travel south to work on the Ethiopian coffee plan...

Gold and E-waste | Blood, Sweat and Luxuries

Young British consumers work alongside luxury goods makers in Africa and Asia. In Ghana they mine gold and discover the terrible...

Leather | Blood, Sweat and Luxuries

Young British consumers work alongside luxury goods makers in Africa and Asia. In Addis Ababa the Brits join the locals who rely on the l...

Technology | Blood, Sweat and Luxuries

Young British consumers work alongside luxury goods makers in Africa and Asia. In the Philippines they join electronics workers for wh...

Cars | What Britain Buys and Sells in a Day

Ed Balls, Ade Adepitan and Cherry Healey explore how much we really know about the logistics that enable Britain to buy and sell ...

Exporting British apples | What Britain Buys and Sells in a Day

Cherry discusses the British apple trade with one the UK's apple farmers.

Seafood | What Britain Buys and Sells in a Day

Ed Balls, Ade Adepitan and Cherry Healey look at seafood. Surprisingly, the fish caught off British shores are largely dispatc...

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...

Britain's love-affair with the avocado | What Britain Buys and Sells in a Day

Ade travels to Peru to find out about the UK's love-affair with the Avocado.

Britain's picky fruit and vegetables preferences | What Britain Buys and Sells in a Day

Ed finds out why Britons are so picky with their food and how this affects where out ...

Exporting empty shipping crates | What Britain Buys and Sells in a Day

As the UK generally imports more than it exports Ed wonders what happens to the empty crates.

Importing Dutch tomatoes | What Britain Buys and Sells in a Day

Ade travels to the Netherlands to see where we import most of our tomatoes from.

Importing food from abroad | What Britain Buys and Sells in a Day

Cherry find out how all our fresh food is bought and traded with the rest of the world.

Consumption and waste | Extinction: The Facts

The impact of consumption and waste on biodiversity.

The Rana Plaza Disaster | This World

Witnesses and victims of the Rana Plaza disaster tell their stories of the day.

South China Sea Trade | World's Busiest Cities

Hong Kong's busy port is a vital gateway to trade in the South China Sea.

Working conditions at the Rana plaza | This World

The exploitative working conditions at the Rana Plaza.

Climate change and the coffee industry | Natural World

Climate change is threatening the future of the coffee industry in Vietnam.

Globalisation and Immigration | World's Busiest Cities

Anita Rani visits Chungking Mansions, a culturally diverse location in Hong Kong, where people from over hundred count...

Vietnamese coffee | This World

Simon Reeve talks to an coffee consultant about the reasons why Vietnam does not benefit from the profits of the coffee industry.

The fishing industry | Extinction: The Facts

The devastating impact of the fishing industry on ocean ecosystems.

Exploitation on tea plantations | This World

Simon Reeve visits a Unilever tea plantation and talks to labourers about the exploitative conditions they work under.

Nestle | This World

Simon Reeve visits a Nestle factory, in Ho Chi Minh City.

Free Trade | World's Busiest Cities

The history of HSBC and banking in Hong Kong.

Prisoners right to vote | Rights Gone Wrong?

John Hirst, previously convicted of manslaughter, defends his fight to get votes for prisoners.

Wildlife and the spread of viruses | Extinction: The Facts

An exploration of how human interference with wildlife and habitats has caused the spread of viruses.

Child labour | This World

Simon Reeves investigates child labour on tea plantations in Uganda.

British colonialism and Kenyan tea | This World

Simon Reeve investigates the colonial history that has shaped both the landscape and tea trade in Kenya.

Wealth distribution | This World

Using 3D graphics, Hans Rosling demonstrates the world's wealth distribution.

Channel Crisis: Can People Smugglers Be Stopped? | Panorama

Jane Corbin investigates the smugglers who get people into Britain and finds out what the government's plan to se...

Episode 1 | The Chinese Are Coming

Justin Rowlatt investigates what the world will be like if China overtakes America as the world's economic superpower. He looks at the phe...

Episode 2 | The Chinese Are Coming

Justin Rowlatt asks what will happen if China overtakes America as the world's economic superpower. Justin sees China's impact on industry...

Chris Packham: 7.7 Billion People and Counting | Horizon

Naturalist Chris Packham investigates the impact a growing human population is having on the planet, asking whether ...

Population growth | This World

Using 3D graphics, Hans Rosling demonstrates how the earth's population has drastically increased.

Population growth prediction | This World

Hans Rosling demonstrates how population growth will shift in this century.

Rural to Urban Mass Migration | Andrew Marr's Megacities

Shanghai continues to grow and develop with mass migration of people from rural environments to the city.

Population distribution | This World

Using 3D graphics, Hans Rosling demonstrates the world population distribution and how it will change by the end of the century.

Migrant workers | This World

150 million people from rural communities in China leave their families to work in cities.

The garment industry in Bangladesh | This World

An introduction to the history of the garments industry in Bangladesh.

Britain's Immigration Policy | Who Should We Let In?

Shifting attitudes towards immigration in Britain.

How do you supply a refugee camp in the desert with water | The Refugee Camp: Our Desert Home

Anita Rani shows us how the camp gets round supplying water in the desert. Whil...

Rural to Urban Migration | Welcome to Lagos

Migration from rural environments to the Lagos slums.

Migration to cities | This World

Many young people in rural villages in China move to the cities to earn money and support their families.

Evans-Gordon's Conservative Party | Who Should We Let In?

Evans-Gordon's immigration policies and the history of fear about immigrants.

Refugee experience | This World

An interview with Aman, an Eritrean refugee who made it to the UK.

Refugee Boats | Exodus: Our Journeys

Many migrants attempt to travel to Europe by boat or by climbing over a fence between Morocco and Spain.

Industrial Work | Welcome to Lagos

Industrial work in the Ebute Metta neighbourhood of Lagos.

Policy through the ages | Who Should We Let In?

Britain's post-war policies towards immigration and seeking asylum.

Impacts of the Calais Jungle eviction | This World

Nine months after the Calais Jungle eviction, migrants are still arriving in Calais.

Calais refugees | Exodus: Our Journeys

The experiences of a migrant family who have been forced to leave Afghanistan.

Afghanistan and the EU | Exodus: Our Journeys

The Taliban presence in Afghanistan has forced many to flee the country.

Mancherjee Bhownagree | Who Should We Let In?

The life and policies of Mancherjee Bhownagree.

Migrant Workers | World's Busiest Cities

The experience of live-in domestic workers in Hong Kong.

Brighton | Sea Cities

The Brighton summer season is crucial for the tourist trade so when the crowds arrive for a blistering bank holiday, the seafront management team and l...

1: Living in the City | Andrew Marr's Megacities

Documentary in which Andrew Marr looks at how people live in five of the world's biggest megacities: London, Dhaka, Tokyo, M...

2: Cities on the Edge | Andrew Marr's Megacities

Andrew Marr takes a look at safety and security, two of the biggest challenges faced by each and every metropolis, visiting ...

3: Sustaining the City | Andrew Marr's Megacities

Andrew Marr looks at transport routes and finds out how the world's megacities stay fed, and he joins Mexico City's traffic...

Episode 1 | New York: America's Busiest City

Anita Rani, Ade Adepitan, Ant Anstead and Dan Snow try commuting New York-style, joining 5.5 million commuters on the iconic Sta...

Episode 2 | New York: America's Busiest City

A look at the astonishing daily systems that allow America's busiest city to function. Anita Rani, Ade Adepitan, Ant Anstead and...

Episode 3 | New York: America's Busiest City

Anita Rani, Ade Adepitan, Ant Anstead and Dan Snow reveal the hidden systems and organisational miracles that keep the Central P...

Urbanising rural environments in China | This World

Life in a rural community in China, that will soon become a city due to government urbanisation plans.

Rapid Chinese development | This World

The vast scale of Chinese development plans, and the role of state-owned enterprise.

Building boom | This World

An exploration of China's out of control building boom.

Growing cities | Earth From Space

Satellite images depict the growth of cities over time.

Issues in Megacities | Andrew Marr's Megacities

Andrew Marr explains why many megacities are located in precarious geographic settings.

Slum Clearance | Welcome to Lagos

How the Lagos Megacities Project is impacting people living in the slums.

Rubbish Dumps in Megacities | Andrew Marr's Megacities

Andrew Marr visits one of London's landfill sites, by contrast, in Dhaka people in poverty are constantly recycling an...

Water Shortage | World's Busiest Cities

Ade Adepitan investigates solutions to the Mexico City water crisis.

Water in Megacities | Andrew Marr's Megacities

Andrew Marr explores water systems and difficulties that water causes in Mexico City, Tokyo and Dhaka.

Mega City Transport Crisis | Andrew Marr's Megacities

Andrew Marr explores solutions to mega cities' transport crisis, such as London's bike scheme.

Sewage and water treatment | Inside the Factory

Cherry Healey visits a sewage system in Brighton, and explores how our waste is processed and purified.

London's waste issue | Andrew Marr's Megacities

Andrew Marr visits London's sewage system.

Unauthorised buildings being demolished in Mumbai | Asia Business Report

A discussion of why the Mumbai government have made the decision to demolish unauthorised building a...

The Megacity Project | Welcome to Lagos

London Goes Green | Andrew Marr's Megacities

Andrew Marr investigates a green and space effective solution to feeding London.

The Great Pyramid of Giza | Africa's Great Civilisations

Henry Louis Gates Jr investigates the construction of the pyramids and the societies that created them.

Transport in the City | World's Busiest Cities

Anita Rani investigates the transport systems in ever growing Mexico City.

Skyscrapers and Tourism | Andrew Marr's Megacities

Andrew Marr investigates the construction of London skyscraper the Shard.

Food Demand in Megacities | Andrew Marr's Megacities

Andrew Marr investigates the systems that provide enough food for London.

Waste Management Strategies | Andrew Marr's Megacities

Andrew Marr explores new systems to deal with waste from megacities.

Jakarta the Megacity | Equator from the Air

The impacts of the rapid growth of the megacity Jakarta.

Rubbish Heap | Welcome to Lagos

How people are adapting to life in the Lagos slums, which includes sorting through and recycling everything in the Olusosun rubbish dump.

Slums | Welcome to Lagos

The mass migration to Lagos, Nigeria is causing ever expanding slums.

Urban Sprawl | World's Busiest Cities

Ade Adepitan visits residents of Mexico City that have built their own housing.

Episode 1 | New York: America's Busiest City

Anita Rani, Ade Adepitan, Ant Anstead and Dan Snow try commuting New York-style, joining 5.5 million commuters on the iconic Sta...

Episode 2 | New York: America's Busiest City

A look at the astonishing daily systems that allow America's busiest city to function. Anita Rani, Ade Adepitan, Ant Anstead and...

Episode 3 | New York: America's Busiest City

Anita Rani, Ade Adepitan, Ant Anstead and Dan Snow reveal the hidden systems and organisational miracles that keep the Central P...