Why a 23-year-old bought an abandoned house in Detroit for $500, and what happened next.

Global inequality is reaching alarming levels—and is increasingly determined by location. Meanwhile, economists find economic mobility in America has not changed in 50 years.

Why net neutrality matters, and how losing it would change the character of the Web.

Ten organizations that are laying the foundation for a powerful economic justice movement.

How limited Internet access in the developing world “is entrenching and amplifying existing inequalities and contributing to poverty of imagination—a crucial limitation on human life.”

Striking a balance between expanded learning time for students and increased planning and training time for teachers.

How inequality stifles innovation.

The “simplest, cleanest, most easily understood” way investors can fight climate change.

Four things we can learn about surveillance from the first-hand experiences of poor marginalized people.

Why the smartest cities have the smallest share of cars.

Earlier

• Jan. 17: Connecting restaurant patrons and restaurant workers, understanding net neutrality, filling in gaps on Wikipedia.
• Jan. 10: Arts in Africa, online harassment, the geography of poverty.
• Dec. 20: Fighting gender violence in India, equal marriage and economic inequality, what the tech sector can learn from urbanists.