A windy weather system is bringing cooler temperatures and blowing dust to Yuma and Imperial Counties this weekend, and ...

Missouri and Illinois residents living near large cities were exposed to unhealthy ozone and pollution over the past year.

A new study says nearly half of N.J. residents are living in areas that had unhealthy levels of air pollution.

With more than a million acres of protected open space, plus a general reputation as a "green" region with ambitious emission ...