The conditions that cause widespread wildfires in Canada keep persisting and are worsening. That means the smoke will keep ...

Smoke-filled air is disrupting life in Harrisburg, prompting canceled events, indoor operations and warnings about unhealthy ...

Pregnancy puts higher oxygen demand on the body, so expectant mothers breathe significantly more air over the course of a day ...

As many as nine children have been diagnosed with Ewing sarcoma since 2007 in the south Orange County community, including ...

Air quality in Maine will be considered "unhealthy for sensitive groups" this weekend due to wildfire smoke from Canada.

A measure to permanently ban the practice of “thin-layer disposal” of dredged sediment nationwide has advanced through a ...

What are "Code Red" and "Code Purple" air quality alerts? The Air Quality Index has six color-coded categories, ranging from ...

Environmental groups are suing over a federal rule change that weakens habitat protections under the Endangered Species Act.

One in six Tampa Bay residents are anxious about the region’s environmental degradation. Green groups can help boost morale.

Millions of Americans and Canadians are breathing bad air right now due to wildfire smoke. Here’s what you need to know masks ...

A new study prices the environmental damage of the world's richest 10% at up to $5.7 trillion a year, and finds biodiversity ...

The Trump administration reversed decades of longstanding environmental law protecting endangered species on Friday, opening ...