Global CO2 emissions coming from aviation will go from about 2% to, by 2050, something closer to 20%. Technology is the only key to open up a brighter future that can be sustainable at the same time. The way we fly is about to change, driven by a new breed of aviators not afraid to think differently. From clean, green electric aircraft to autonomous sky taxis, could the days of the jet age be numbered?

An engineering revolution is underway. Driven by dedicated individuals who are building extraordinary machines that will change our lives.
The first episode follows the race to generate vast power from thin air - the wind. One of the world’s biggest wind farms is being built off the English coast where the harsh conditions pose great challenges for the team. Meanwhile, a Norwegian team is striving to build the first-ever floating wind farm.

Ewan McGregor and Charley Bormann are very close to finishing their journey. Discussions on security are still on the agenda; they cannot travel at night due to dangerous cartels. They will need to do many miles on a bus with space for the bikes inside. The team manage to get the bikes on after concerns they wouldn’t fit. Repairing and conditioning the bus is an achievement considering they did it in a few days.
Ewan and Charley get back on their bikes, and they head to their last border cross to enter the United States. After 12 hours in the border, the crew, Ewan and Charley make it to America. It’s an easy stretch to L.A. on their bikes. Ewan, the crew and family, finish the last leg. It’s done, they’ve managed to finish Long Way Up. It’s such an achievement. Episode 11 is a heartfelt finale, showcasing the end of an incredible journey from both Ewan, Charley, and the team that supported them.

Are rising temperatures driving Earth's ecosystems past a point of no return? We have promising technologies that put solutions within our grasp. Scientists are exploring solutions: from geoengineering to sucking carbon out of the air to cloud brightening, as means to cool the planet. Cutting-edge solutions and high-risk measures. But would they work? And what are the risks of engineering Earth's climate?

The series, depicted by state of the art CGI techniques, and applying the laws of life on Earth to the rest of the galaxy, blends fact with science fiction and conceptualizes what alien life might be like on other planets.
In the prologue, astronomer Didier Queloz makes an appearance to discuss the discoveries of exoplanets and how they are analyzed in the real world. In Episode 1, the fictional world imagined is Atlas, a world with higher gravity than Earth and a thicker atmosphere leading to airborne creatures. In explaining the aliens of Atlas, the episode also explores the handicap principle in insects, and shows a rehabilitative form of falconry as captive falcons are trained to live in the wild.

Ewan and Charley swap their e-Harley Davidsons for plane first and follow it up with a journey by ship to Panama. McGregor's bike needs some repairs and will be fixed by the time they reach Costa Rica. The ship they travel in with the bikes looks like a beaten-down vessel that raises genuine concerns about making the journey in one piece. The boat crew looks sharp and proactive while trying to make the show crew's journey as comfortable and safe as possible. The episode also introduces Nuqui, one of the wettest regions in the world where the ship quickly makes a pitstop to fuel up on essential supplies.