Smog World

The number of automobiles on the world’s roads is on pace to double — to more than two billion — by the year 2030.

http://www.nytimes.com/2015/12/08/business/energy-environment/despite-push-for-cleaner-cars-sheer-numbers-could-work-against-climate-benefits.html

Families in Beijing waited anxiously on Monday evening to hear whether schools would shut the next day, posing sudden child-care challenges, after the city issued its first-ever red alert for heavy smog about 6:30 p.m., advising school closures in an effort to protect students’ health and reduce traffic on the roads, among other measures.

http://www.nytimes.com/2015/12/09/world/asia/beijing-smog-red-alert-schools.html