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NPR's Rob Schmitz speaks with Joan Casey, who co-wrote a new study that links exposure to wildfire smoke to an increased risk of dementia. EDITOR'S NOTE: In June, this study was retracted by the journal JAMA Neurology due to a data coding error and has been reissued with different results. The newly recalculated study, also published in JAMA Neurology, no longer supports an association between long-term exposure to wildfire smoke and developing dementia. The coding error resulted in thousands of people without dementia being omitted from the calculations, and thousands of people with Parkinson's disease being errantly included in the data set as dementia cases. The original, now-retracted study from November 2024, posited an 18% increase in the odds of a dementia diagnosis from wildfire smoke exposure averaged over three years. The recalculated study found the increase to be 12% and not statistically significant.

What you should know, if you're attending one of three sessions at Liverpool High School. How to submit your thoughts or concerns, if you're not attending.

Solar power has reached critical mass, according to author and environmental activist Bill McKibben, and it's already transforming the way humans consume energy.

It's not often that this pathogen jumps from bats to horses, then humans. When it does, the result is brutal. New research points to a surprising way to stop spillovers.

The data also highlights critical risks in other areas along the Guadalupe River in Kerr County, revealing more than twice as many Americans live in flood prone areas than FEMA's maps show.

A retired Army lieutenant general who led the military response after Hurricane Katrina says searches can take a long time because human remains can be trapped under debris that must be removed piece by piece.

The songwriter and math professor found a following with his satirical political songs.

The Grand Canyon Lodge welcomed generations of travelers and staffers arriving in the Grand Canyon's North Rim area. It was already rebuilt once, after a kitchen fire in 1932.

The proposal would overturn endangerment finding, which determined that greenhouse gas emissions can be regulated under the Clean Air Act.

The city says the ongoing claims are based on old, flawed data from improperly collected samples from 2023 and 2024 that showed high levels of lead. More recent 2025 results showed levels below EPA standards.