BBC Earth

To survive the worsening conditions in the Arctic, Alaskans must finish the tasks that will keep them ahead of winter's wrath. Glenn Villeneuve hunts caribou to keep his family fed.

A look at how the planet's limited fresh water is distributed around the globe thanks to storms, and how animals manage in the driest habitats on Earth.

The second year of a definitive seven-year diary, documenting the fight to save our planet's most threatened ecosystems. Six presenters meet the people fighting to restore the balance.

Southern Africa is a riot of life and colour because of two great ocean currents that sweep around the continent's Cape. To the east, the warm Agulhas current generates clouds that roll inland to the wettest place in southern Africa. To the west is the cold Benguela current, home to more great white sharks than anywhere else. Moisture laden fog rolls inland, supporting an incredible desert garden.

Exploring the remarkable railway line that reaches the far north tip of mainland Britain. The Far North Line travels from Inverness in the Highlands of Scotland to Wick in Caithness county, with a daily ScotRail service.

As the weather changes across the Arctic, Alaska's inhabitants cope with severe conditions while searching for essential resources.

Easter Sunday brings a dangerous tornado spree to the southern states of the USA as a total of 140 tornados touch down across 10 states, inflicting catastrophic damage. Major flooding in Indonesia leads to dramatic fast-water rescues.

After six years globetrotting, Scott and Casey gambled their life savings on a kite-surfing school in a remote stretch of the Peruvian coast. As Ben lives their day-to-day life, he also learns what led them both to this decision.

One basic need connects all life on earth - the need to breed. But for a few creatures, the odds of success are overwhelmingly stacked against them. Some must find a partner when there are none to be found, while others must find a way to succeed without breeding at all. And some must try and adapt in a world unrecognisable from when they were born. These are animals that have evolved some of the most extraordinary mating strategies of all.

The second year of a definitive seven-year diary, documenting the fight to save our planet's most threatened ecosystems. Six presenters meet the people fighting to restore the balance.

Southern Africa is a riot of life and colour because of two great ocean currents that sweep around the continent's Cape. To the east, the warm Agulhas current generates clouds that roll inland to the wettest place in southern Africa. To the west is the cold Benguela current, home to more great white sharks than anywhere else. Moisture laden fog rolls inland, supporting an incredible desert garden.

For Alaskans, utilizing the frozen trails to secure resources is a requirement for survival in dark winter. At the family hunting grounds in Kiwalik, Chip Hailstone follows a trail of wolves to find harvestable game.

Raging in the state of Louisiana, Hurricane Ida destroyed thousands of homes and claimed dozens of lives. In Norway, rough seas forced a captain to abandon ship. And the scale of the fires in California horrified more than just the state's residents.

The magnificent steam train Tornado is coupled with 13 luxury vintage carriages on a six-hour journey through Yorkshire to Northumbria and the Borders. Travelling in style from York to Edinburgh on a 200-mile historic trip.

Ben heads back to the stunning Saharan landscape of Morocco, where he first met Karen, an extraordinary artist who had turned her back on urban life to live in the middle of the desert. Ben learned how Karen had transformed her arid plot of desert into a stunning artist's retreat. They trekked into the sand dunes, built bamboo shelters and embraced Karen's life in her local Berber village.

Going behind the scenes of `The Mating Game' with Sir David Attenborough to discover the stories behind the missions to mate and leave a lasting legacy.

Prince William, founder of the Earthshot Prize, is joined by Sir David Attenborough, a member of his Earthshot Prize Council, explore the best way to protect and restore nature. Sir David explains exactly what about the approach to modern life is causing a global decline in biodiversity.

Northern Africa is home to the greatest desert on Earth, the Sahara. On the fringes, huge zebras battle over dwindling resources and naked mole rats avoid the heat by living a bizarre underground existence. Within the desert, where the sand dunes `sing', camels seek out water with the help of their herders and tiny swallows navigate across thousands of square miles to find a solitary oasis.

Pike tries one last hunting trip before catching the plane back. Becky and Denenize continue looking for a moose. Bentley and Felicia begin work on building a new dock. Pierre looks for something he can eat.

Steve Backshall is on a mission to create a new generation of shark saviours, but first he needs to find his team. Once assembled, the team undertake a boot camp at a shark sanctuary in the Bahamas where they learn how to interact with sharks.

Steve uncovers the secrets of sharks, the world's most infamous predators. He heads out into the Atlantic ocean to dive with blue sharks, a beautiful but deadly species which can travel up to 10,000km per year looking for food. He finds out how their big pectoral fins allow them to glide gracefully through the water, and how they are now threatened by overfishing for their fins.

Chris, Steve and Liz kick off an exciting new series to explore the health of our oceans from three different corners of the planet - Baja in Mexico, the Bahamas, and Australia's Great Barrier Reef.

Dr Mosley travels the world to meet people who seem to have unlocked the secrets to defying aging. He investigates the science behind their claims and, in doing so, provides viewers with tangible tips on how to live longer, healthier lives.

With food in abundance it's a time of plenty in the Serengeti, but a series of unexpected events turns families against each other and stretches relationships to breaking point.

The magnificent steam train Tornado is coupled with 13 luxury vintage carriages on a six-hour journey through Yorkshire to Northumbria and the Borders. Travelling in style from York to Edinburgh on a 200-mile historic trip.

Pike tries one last hunting trip before catching the plane back. Becky and Denenize continue looking for a moose. Bentley and Felicia begin work on building a new dock. Pierre looks for something he can eat.

Steve Backshall is on a mission to create a new generation of shark saviours, but first he needs to find his team. Once assembled, the team undertake a boot camp at a shark sanctuary in the Bahamas where they learn how to interact with sharks.

Steve uncovers the secrets of sharks, the world's most infamous predators. He heads out into the Atlantic ocean to dive with blue sharks, a beautiful but deadly species which can travel up to 10,000km per year looking for food. He finds out how their big pectoral fins allow them to glide gracefully through the water, and how they are now threatened by overfishing for their fins.

Chris, Steve and Liz kick off an exciting new series to explore the health of our oceans from three different corners of the planet - Baja in Mexico, the Bahamas, and Australia's Great Barrier Reef.

Dr Mosley travels the world to meet people who seem to have unlocked the secrets to defying aging. He investigates the science behind their claims and, in doing so, provides viewers with tangible tips on how to live longer, healthier lives.