BBC Earth HD

'S1/E5 - Offshore Wind'. To harness the vast power of the ocean's winds, engineers must build bigger and better turbines.

'S1/E5 - Human Worlds'. Two out of five wild plants are threatened with extinction. Today people are finding remarkable ways to help them, and so make our world a little greener and a little wilder.

'S6/E5'. Extreme temperatures fuel wildfires on England's east coast, leaving rescue teams overrun.

'S7/E6 - Stockholm to the Arctic Circle'. Michael Portillo makes a scenic journey from Stockholm to Abisko. He celebrates Midsummer in Marielund, decorates a Dala horse in Mora and takes a dip in one of the country's 96,000 lakes.

'S1/E1 - Hong Kong'. Michael begins his adventures in Hong Kong, with railway highlights including the cable funicular to the top of Hong Kong's highest mountain, the Peak, and the enviably efficient and shiny Mass Transit System.

'S1/E5 - Offshore Wind'. To harness the vast power of the ocean's winds, engineers must build bigger and better turbines.

'S1/E2'. The New Zealand South Island line scales the snow-capped Southern Alps, travels through Maori hunting grounds and finally reaches Christchurch, a city sitting on a volcano.

'S11/E17 - Run Aground'. Alaskans are in the home stretch of preparing for the upcoming winter.

'S11/E9 - Isle of Wight'. Ben meets a family who have carved out a slice of wilderness for a simple life on an Isle of Wight cliff-side, but face legal challenges and the risk of a landslide.

'S7/E6 - Stockholm to the Arctic Circle'. Michael Portillo makes a scenic journey from Stockholm to Abisko. He celebrates Midsummer in Marielund, decorates a Dala horse in Mora and takes a dip in one of the country's 96,000 lakes.

'S1/E5 - Offshore Wind'. To harness the vast power of the ocean's winds, engineers must build bigger and better turbines.

'S1/E1'. Commencing from the city of Auckland, New Zealand from a Train travels through the North Island passing viaducts and passing through rich farmlands to the dramatic scenery of the central volcanic plateau.

'S6/E5'. Extreme temperatures fuel wildfires on England's east coast, leaving rescue teams overrun.

'S1/E5 - Human Worlds'. Two out of five wild plants are threatened with extinction. Today people are finding remarkable ways to help them, and so make our world a little greener and a little wilder.

'S1/E7 - Saving Asia'. Many passionate people are dedicated to saving the wild animals of Asia. These individuals and their ingenious solutions give us hope and optimism for the future of the continent.

'S11/E18 - Beyond the Tundra'. With summer nearing its end, Alaskans kick into high gear.

'S1/E2'. The New Zealand South Island line scales the snow-capped Southern Alps, travels through Maori hunting grounds and finally reaches Christchurch, a city sitting on a volcano.

'S1/E2'. Martin Clunes takes on the mountains of Madeira as a rally car navigator and patrols the waters of the Azores on the look-out for sperm whales.

'S2/E3'. Zoe Ball heads to south London to convince charity worker Latoya that gardening could be her secret wellbeing weapon.

'S2/E4'. Clive Myrie encourages distillery manager Luke in Bristol to replace coffee and energy drinks with black tea to keep stress at bay.

'S4/E1'. Armed with his 1899 Appleton's Guidebook to Alaska, Michael Portillo begins his journey amid the snow-capped mountains and ice-cold inlets of the Kenai Peninsula.

'S1/E1 - Hong Kong'. Michael begins his adventures in Hong Kong, with railway highlights including the cable funicular to the top of Hong Kong's highest mountain, the Peak, and the enviably efficient and shiny Mass Transit System.

'S3/E5 - Motorway'. Our 2300 miles of motorway are the backbone of the country and without them, we'd probably all grind to a halt.

'S2/E5'. Zoe Ball is in Kettering to share with busy beautician Lucie some clever digital detox tricks that could improve family life, reduce stress and even boost her brain power.

'S2/E6'. Roman Kemp suggests a 'reverse-moves' approach to exercise, including walking downhill instead of up and lowering weights instead of lifting them, both of which could have significant health benefits.

'S7/E1 - Peru'. After six years globetrotting, Scott and Casey gambled their life savings on a kite-surfing school in a remote stretch of the Peruvian coast. Ben learns what led them to this decision.

'S6/E6'. A devastating typhoon in the Philippines destroys communities, leaving millions homeless, while a British hiker narrowly escapes an avalanche in Kyrgyzstan's Tian Shan Mountains.

'S4/E1'. Armed with his 1899 Appleton's Guidebook to Alaska, Michael Portillo begins his journey amid the snow-capped mountains and ice-cold inlets of the Kenai Peninsula.

'S1/E2 - Chiang Mai to the River Kwai'. Michael Portillo embarks on a two-part adventure through Thailand. Michael helps out at an elephant hospital, tries his hand at the art of umbrella-making and learns about northern Thai cuisine.