In the past two years, without much notice, solar power has begun to truly transform the world’s energy system.

In the heart of Africa's most remote rainforest lies Dzanga Bai, a forest clearing where shy, elusive elephants gather in astonishing numbers. It is a place so wild and untouched, it's been called the ...

Kibetsi is one of nearly a million Congolese who have returned to their homes since the M23 rebel group — backed by Rwanda ...