Transportation is the largest source of the U.S. emissions that contribute to climate change -- and passenger cars and trucks make up more than half of those emissions.

The Hoosier chapter of the Sierra Club and three other environmental groups have reached a settlement with BP for emitting too much particle pollution at its Whiting Refinery in northwest Indiana.

The U.S. Environmental Protection Agency said long-term exposure to ethylene oxide increases your risk for cancers of the white blood cells like non-Hodgkin lymphoma, myeloma, and lymphocytic leukemia (chronic or acute). It can also increase the risk for breast cancer in women.

Smoke from wildfires in the western United States and southern Canada, along with local weather conditions, have created the potential for unhealthy levels of fine airborne particles in every region of the state.

The city plans to start monitoring air emissions at the wastewater treatment plant before the Waelz Sustainable Products facility begins operating.

The Sierra Club has won a lawsuit against BP for pollution violations at its Whiting refinery in northwest Indiana. The plant exceeded its limits for particle pollution from 2015 to 2018 and also failed to do required follow-up tests.

Though carbon emissions went down during Stay-At-Home orders last year, the pandemic may not have had as much of an effect on air quality in 2020 as we once thought.

The Environmental Protection Agency is facing a lawsuit for not setting limits for certain hazardous air pollutants at steel mills -- like mercury and the cancer-causing chemical benzene.

Although meteorologists are forecasting sunny skies for much of Indiana over the next several days, you may be wondering why things look a bit hazy.

Since 2017, 26 areas in the Midwest region of the EPA meet air quality standards that they didnt before.