The government in Lahore has closed schools and public spaces and shut down factories. Environmental lawyer Ahmad Rafay Alam shares his perspective: "frustrated" but still fighting.
It's considered the world's most polluted megacity. The air is so bad that a new report estimates that on average each resident loses 12 years of life. Here's what they're doing about it.
In parts of South and Middle Georgia, residents woke up this morning to hazy skies — a result of a renewed blanketing of the Southeast by Canadian wildfire smoke.
Nearly two-dozen states will have to cut harmful industrial emissions of nitrogen oxide and other pollutants, improving air quality for millions of people living in downwind communities.
