NEW DELHI (AP) – Two cities. Two very polluted cities. And two very different ways of dealing with twin public health crises. When Beijing’s air was forecast to reach hazardous levels for three straight days earlier in December, the government issued a smog red alert. The result: Half the city’s …

NEW YORK (AP) – The mobile payment wars are heating up. Wal-Mart Stores Inc., the world’s largest retailer, said it’s launching its own mobile payment system that will allow shoppers to pay with any major credit or debit card or its own store gift card through its existing smartphone app …

PARIS (AP) – The latest news related to the U.N. climate conference outside Paris. All times local: 12:05 p.m. U.S. Secretary of State John Kerry is expected to return to marathon global climate negotiations after staying at the conference site into the wee hours of the morning. Celebrating his 72nd …