Amid species loss, the ‘oh my’ mammals that are doing better

Mountain gorilla and jaguar numbers are encouraging conservationists, partly because room made for their habitats is helping to ensure survival. Meanwhile, roundabouts are also serving their intended purpose – manipulating travel for greatly increased safety.

1. United States

Carmel, Indiana, has created safer, more environmentally friendly road travel by embracing roundabouts. Starting in the late 1990s, Carmel has installed 140 roundabouts and counting – more than any American city. Not only have the roundabouts become a local tourist attraction, but their success has also helped push other municipalities to make the switch.

The primary benefit