A former ring road planted with trees, people walking along it — The old ring road, now a linear park, on a Tuesday morning in April.

Cities

The city that decided to stop building roads

Fifteen years ago the council voted, narrowly, to spend nothing further on car infrastructure. The result is neither the utopia its champions promised nor the ruin its opponents forecast.

By Marit Halvorsen

Live

The North Sea wind boom runs into an unglamorous problem: cable

Turbines are cheap now. The copper that connects them to anything useful is not.

Live

A cheap old drug, a new trial, and a very cautious optimism

Nobody involved will use the word breakthrough, which is itself worth noticing.

World

The four-day school week arrives where it is least affordable

Districts are cutting a day to keep teachers. Parents are paying for the fifth.