Examining the architectural elements that make a building more friendly to the pedestrian at ground level and how urbanism plays a part in this.

Ozone is the main concern that is causing an air quality alert Monday, the Minnesota Pollution Control Agency says — but what exactly is ozone?

The sunlight sparks reactions in the air that are harmful to our heart and respiratory systems, but extreme heat accelerates it.

In the stratosphere, ozone acts as a protective layer. But in the troposphere, at ground level, this colorless gas is incredibly harmful to human health and the environment in ways scientists are ...

Ground-level, or tropospheric, ozone forms when methane, nitrogen oxides, carbon monoxide and volatile organic compounds react with sunlight.

Even if they do not hit the ground from a great height, elderly people who seek hospital care for a fall commonly go on to a skilled nursing facility, according to a recently published study ...

The Minnesota Pollution Control Agency issued an air quality alert for the southern half of the state Tuesday due to "ground-level ozone." Here's what that means.

Ground-level ozone concerns prompt air quality alert in Minnesota The Minnesota Pollution Control Agency says ozone is the main concern that is triggering an air quality alert on Monday.