It's coming on winter, and Ulaanbaatar, the capital city of Mongolia, is making its annual transformation into the second most air polluted city in the world.
Read Whole Story
If the air in your city is clean, you can tack on about five months to your life. So suggests a new study by researchers at Brigham Young University a...
Get top stories and blog posts emailed to me each day. Newsletters may offer personalized content or advertisements. Learn more.