They converted old tires into a material that not only purifies water using solar energy—but also generates a small amount of electricity.

A new comprehensive study of “decoupling” finds that for 30% of the regions studied, the answer is yes. But the remaining regions are lagging behind.

Let the best of Anthropocene come to you. In gangster movies, mob bosses worry that a “rat” will betray them. Now, criminal wildlife poachers might need to start fearing real rats. Scientists have ...