To reduce his patient's exposure to harmful pollution, my dentist closes his office on red air-quality days.
In the interest of public safety, many schools and businesses close during snow emergencies, to reduce the inevitable accidents and injuries from ignoring the power of nature. Plus, getting people off the roads speeds the clean-up.
Our current smog levels represent what the Utah Physicians for a Healthy Environment called, in a letter to Gov. Gary Herbert, a "public health emergency." Strong words, not to be taken lightly.