See what stories caught our attention this week, from a decrease in plastic litter on beaches to futuristic new ferry technology.

The Scandinavian nation has significantly reduced the number of people experiencing homelessness. What could other countries learn from its example?

Water scarcity is among the most pressing problems facing humanity, and extreme weather and growing urban populations will only make it more pressing in the decades ahead. Desalination has long loomed ...

Stories about the confluence of capitalism, conservation and cultural identity in the Mississippi River Basin.