I can totally understand why many hunters won’t look twice at an ozone generator machine for scent control. Admittedly, I was also skeptical of the claims associated with the products. The hunting ...

EPA is restarting review of a high-stakes decision on ground-level ozone standards in a step that short-circuits the prospects for any imminent action to tighten limits on the lung-damaging pollutant.

The US Environmental Protection Agency is launching a new review of the Ozone National Ambient Air Quality Standards, delaying the possibility of tighter regulations on the smog-forming pollutant. EPA ...