Baltimore is plagued by a silent killer: air pollution. But there actions we can all take to improve the situation, writes.

When you think of the United States, perhaps things like baseball, McDonald’s, the New York Times Square, or the Grand Canyon ...

HANOI, Vietnam (AP) — Everyone loves a breath of fresh air. Unfortunately, too often our air is anything but fresh.

Study finds no linear correlation between stubble burning in Punjab/Haryana and PM2.5 in Delhi-NCR, highlighting other ...