U and Eden+1

David Attenborough narrates a look at how the oceans connect to form the Earth's largest ecosystem, and how its network of currents supports the seas and marine wildlife.

David Attenborough narrates a look at the effect human activity is having, revealing how the carbon dioxide being produced is destabilising life on Earth.

Examining the solar force that powers Earth and how life has adapted to the uneven amounts of sunlight given to different parts of the planet over the course of a year.

David Attenborough narrates a look at how the uneven distribution of fresh water around the globe has given rise to an incredible diversity of species and habits.

David Attenborough narrates a look at how the oceans connect to form the Earth's largest ecosystem, and how its network of currents supports the seas and marine wildlife.

David Attenborough narrates a look at the effect human activity is having, revealing how the carbon dioxide being produced is destabilising life on Earth.

Shopping from Home.

The team are called in to save the survivors of a fatal crash and there's a bomb alert after Afghan asylum seekers are moved into a seaside hotel.

A police pursuit ends in a crash when a car driven by teenage joyriders plunges into a deep ditch. A punter falls through the floor of his local betting shop in a bizarre accident.

The response team race to the rescue of a worker trapped in a collapsed trench, and paramedic Kim must risk her own life to give him medical treatment 10ft underground.

A truck driver is trapped in his crushed cab after a motorway smash, while in Hull, firefighters handcuff a man to the rails of the Humber Bridge to stop him from jumping.

A woman fights for her life after being knifed by her former partner, while a teenager on her way to seeing two YouTube stars in a live appearance is felled by a falling tree.

Paramedic Kim climbs into a crushed car balanced over a fast-flowing river, while services across the Pennines are paralysed when a man plunges from a bridge onto a busy rail line.

Special police task forces tackle a hit-and-run in Lancashire which turns out to be a deliberate attack on a single mum, and they also tackle a drug-dealing family dynasty in Bury.

Britain's most talented detectives tackle a dangerous arsonist in Bristol, a drug smuggling operation in Manchester, and a family committing shocking animal cruelty in Cheshire.

Special police task forces tackle a brutal stabbing of a 16-year-old boy in Preston two days before Christmas, and Northamptonshire police target a drug-dealing gang on an estate.

Police in Surrey are on the case of a violent gang who steal millions of pounds worth of jewellery, and Avon and Somerset police tackle guns being sent through the post from Miami.

Britain's answer to the FBI - tackle a people-smuggling ring, a Ghanaian cocaine smuggling operation, and organised online romance fraud.

Special police task forces tackle a hit-and-run in Lancashire which turns out to be a deliberate attack on a single mum, and they also tackle a drug-dealing family dynasty in Bury.

Britain's most talented detectives tackle a dangerous arsonist in Bristol, a drug smuggling operation in Manchester, and a family committing shocking animal cruelty in Cheshire.

Special police task forces tackle a brutal stabbing of a 16-year-old boy in Preston two days before Christmas, and Northamptonshire police target a drug-dealing gang on an estate.