Cities

Watch: London’s “rolling bridge”
London’s unique Cody Dock “rolling bridge” can be moved by hand winches.
Nature-based solutions are cleaning up cities
Nature-based solutions can be radical — think covering a highway with a park — but offer meaningful ways to address pollution.
Open-source map could empower pedestrians in car-filled cities
Most cities don’t map their own pedestrian networks. Now, researchers have built the first open-source tool to let planners do just that.
Could 3D printing help solve the US housing crisis?
World’s largest 3D-printed affordable housing project launches in Kenya
How Singapore’s “Garden City” vision fused nature and urban design like nowhere else
Coastal cities created 40 Manhattans’ worth of new land since 2000
You can build a house out of this super-grass material
Extreme heat is changing habits of daily life
Two-story 3D-printed house is first of its kind in the US
Tokyo wants to build a future-proof city. Here’s how.
Startup unveils flying taxis expected to soar over NYC in 2025
What can cities do to survive extreme heat?