Insfrastruktur world

Beneath the waves run humanity's most extreme tunnels. Ranked by length, from Japan's Seikan to the Fehmarn Belt rising now.

Turning the tropical ocean's temperature difference into endless clean power. The technology fifty years in the making.

Storing clean energy in sand, salt, and hot rock. We count down the unsung technology solving renewable energy's biggest problem.

Highways that generate power. From cracked French experiments to Germany's solar noise barriers, the story of roads paved with sunlight.

A ribbon to orbit, a lunar freight line, a ring around the planet. We count down the boldest ideas for climbing to space without rockets.

Dome homes, floating neighborhoods, and grids that refuse to go dark. We count down the engineering fighting back against stronger storms.

Giant robotic printers are building houses, bridges, and towers layer by layer. We count down the five projects leading the construction revolution in 2026.

From a 3D-printed home in Texas to a frozen outpost in Antarctica — the five Earth-based habitats preparing humanity for life on Mars.

The oldest megaproject in history is making new land. We count down the five land reclamation giants reshaping coasts by 2030, from Dutch polders to China's dredgers.

Position is power. We count down the five countries building their own GPS systems by 2030, from Japan's precise QZSS to China's BeiDou.

The telephone system of the solar system is being rebuilt. We count down the five deep-space communication networks of 2035, from giant dishes to laser links.

Seconds that save lives: counting down the five earthquake early warning networks of 2026, from Mexico's pioneering sirens to America's ShakeAlert.

Cities are getting too hot to live in. We count down the five megaprojects cooling overheating cities by 2030, from cool pavements to China's sponge cities.

The atom is going back to sea. We count down the five nuclear-powered cargo ship projects of 2026, from the ghost of the NS Savannah to China's new fleet.

The road is getting a brain. We count down the five smart motorway megaprojects of 2026, from Britain's controversial smart motorways to China's continental system.

The green transition runs on rocks. We count down the five countries racing for critical mineral mines by 2030, from Cornwall's lithium to China's dominance.

Humanity is preparing to move into the sea permanently. We count down the five countries building underwater habitats by 2035.

The delivery van is growing wings. We count down the five drone delivery corridors of 2026, from Scottish islands to the Texas metroplex.

The age of oil is ending and its monuments are coming down. We count down the five offshore decommissioning giants of 2026, from Brazil to Britain's North Sea.

We have better maps of Mars than of our own seabed. We count down the five countries racing to map the ocean floor by 2030.

Wired listening posts on the abyssal plain: counting down the five deep-sea observatories of 2026, from Japan's tsunami watchers to Canada's NEPTUNE.

Cars with no one inside them are reshaping cities. We count down the five cities leading the robotaxi revolution in 2026, from London to Wuhan.

Twenty kilometers up, between the planes and the satellites, a forgotten layer of sky is filling up. We count down the five stratospheric balloon and airship networks of 2026.

The city is dead, long live the mega-region: counting down the five mega-city mergers reshaping the map by 2035, from Britain's Northern Powerhouse to China's Greater Bay Area.

Take off like a plane, land like a plane, fly again next week: counting down the five spaceplane programs racing to make orbit routine by 2030.