Far from demonstrating a new face of empowerment, so-called “jihadi girl power” wildly overstates the power of women and girls living under the control of the self-proclaimed Islamic State. The image…

This post is co-written with Shayle Kann, senior vice president of research at Greentech Media. For solar power to become truly mainstream, how much should it cost? And is the industry on track to…

Ten people who passed away this year who shaped world affairs for better or worse.