Voluntary efforts to curb groundwater pollution in eastern Oregon have failed for decades. This bill was supposed to change ...

Scientists used advanced technology to assess the risks. Officials uncover rising threat to US groundwater — here's what you ...

Gov. Tina Kotek backed the bill to modernize Oregon’s failed groundwater pollution laws. Kotek has been active in trying to ...

Researchers say never-smokers living in more polluted cities have significantly more mutations linked to malignancy ...

An analysis of 500 watersheds found levels of organic carbon, phosphorus, and other pollutants up to 103 times higher after a ...

With a heat wave just ahead, northwest Ohio authorities are informing the public of the risks of ozone, as well as how they ...

This summer, learn how you can protect your health and help reduce ground-level ozone pollution, with some simple steps for ...

Extreme heat is making air pollution worse, scientists say. And President Trump’s regulatory rollbacks could drive air ...