Supersized Earth

Dallas explores how we have been redesigning the planet as we build ever more astonishing places to live. In Dubai, he climbs to the very top of the world's tallest building to help clean the highest windows in the world.

Dallas explores how we can travel further and faster than ever before, and how our desire to shrink the world is inspiring some of the most extraordinary engineering projects on the planet.

Dallas examines what it takes to keep seven billion humans alive with food, energy and water. 40 per cent of the Earth's surface is now devoted to growing food. To appreciate how we have transformed vast swathes of land to produce food, Dallas paraglides over the south coast of Spain, where what ...