Energy in America

Correction: Bitcoin-Carbon Footprint story

The virtual currency bitcoin is responsible for the same amount of carbon dioxide emissions as a city like Las Vegas or Hamburg and efforts to reduce its climate footprint should be considered, researchers said Thursday.

Concerns over Persian Gulf escalation weigh on markets

Asian shares were mixed Friday as investors weighed a variety of factors, including alleged attacks on two tankers in the strategic Strait of Hormuz and lingering worries about trade conflict between the U.S. and China.