The Indian capital overtook Lahore as the world's most polluted city, with the smog triggering flight diversions.

Many coal plants in the U.S. are being retired, but they have already done irreparable damage to public health.

How we start our day can help define how the body may function for the rest of the hours. Here are few must know things to ...

Trump election likely marks the end of a federal response to worsening air pollution in the Permian Basin. It’s a ...