Medellín in Colombia was experiencing a severe urban heat island effect. Now, new green growth is bringing temperatures down dramatically.

A disused Sainsbury’s supermarket in Portsmouth, England, has been transformed into an indoor skatepark.

In California, grazing goats offer lower costs and reduced noise and toxic chemicals compared to standard landscaping solutions.

Horticulturalist embraces guerrilla gardening, planting more than 100 unauthorised trees in south-western Sydney.

Low-emission zones in big cities such as London reduce air pollution, especially for poorer communities.

Rather than demolishing buildings, a nonprofit in Minnesota is deconstructing and reusing salvaged items, reducing waste to landfill.

Redesigning Denmark’s busiest train station to make it safer for those on foot or bike took note of how people moved about in the snow.

It’s crunch time for many of Britain’s post-war housing estates. Could co-design provide a model for delivering regeneration at scale?

The Spanish city of Pontevedra banned cars decades before most cities started to think about reclaiming streets for pedestrians.