London is choking from record levels of pollution, much of it caused by diesel cars and trucks, as well as wood-burning fires in private homes, a growing trend. It has been bad enough to evoke comparisons to the Great Smog… Read More ›
Air quality
China’s Smog Cancels Hundreds of Flights, Closes Highways
BEIJING —Heavy smog in northern China on Sunday caused hundreds of flights to be canceled and highways to shut, disrupting the first day of the new year holiday. Large parts of the north were hit by hazardous smog in mid-December,… Read More ›