In Nigeria’s poorest state, those unable to access the justice system are taking their grievances to a radio show — and getting results.

See what caught our attention this week, from parents stepping up as bus drivers to biodegradable birth control implants.

From parking fees in Paris to registration fees in Washington D.C., forward-thinking cities are slapping heavy penalties on heavy vehicles.

At a time when teen girls’ mental health is in crisis, Working on Womanhood offers help where they spend the most time: school.

In Aarhus, material exchange centers are preventing everything from dishes to electronic devices from going to waste.

See what caught our attention this week, from cracking down on ecocide to a milestone for sports at HBCUs.

From Tanzania southward, populations have rebounded, thanks in large part to “buffer” zones that connect more protected areas.

With “green corridors” that mimic the natural forest, Medellín is driving down temperatures — and could become five degrees cooler over the next few decades.

Artificial intelligence tools have the potential to prevent thousands of heart attacks every year — if researchers can meet the technology’s challenges.