China, South Korea, and Japan have made huge strides in lowering domestic coal consumption and greening their energy sources. So why are they funding billions of dollars' worth of coal plants in poorer countries?

An excerpt from Kai-Fu Lee's book 'AI Superpowers.'

In Japan, and across much of Asia, an aging population is shaping up to be a personal challenge for millions — and a public health catastrophe.

In less than a decade, smartphones have transformed India in unimaginable ways.

Behind the art

The past, present, and future of China's most powerful leader since Mao Zedong.