China’s Leader, Xi Jinping, Set to Skip G20 Summit in Snub to India

China indicated on Monday that its top leader, Xi Jinping, will skip the Group of 20 summit meeting in New Delhi this weekend, dealing a blow to India, the event’s host nation, and raising questions about Mr. Xi’s profile as a global statesman. China will send the premier, Li Qiang, to the event, said Mao Ning, a spokeswoman for China’s Foreign Ministry, at a news briefing. Ms. Mao declined to explain the reason for the decision and refused to answer questions about Mr. Xi. The Chinese leader has never missed…

Beijing Is Tackling Air Pollution. Why Can’t New Delhi?

A decade ago, the capitals of Asia’s two largest countries both had some of the dirtiest skies in the world. On the worst days, millions were enveloped in thick gray canopies of smog that darkened the sun and besieged the lungs. Since then, one of those cities has made significant improvements. After the Chinese government declared a war against pollution in 2013, Beijing pressed ahead with a multiyear, $100 billion effort to clean its air. The authorities clamped down on factories, forced old vehicles off the road and shifted from…