Living on Earth contributor Peter Dykstra joins Host Aynsley O’Neill with news of a study showing a particular pesticide that’s present in 80% of U.S. adults. Then, the two discuss some 450 state bills asking for PFAS legislation on the docket in 2024. Finally, the pair take a look at some key historical moments surrounding national lands.

The U.S. Environmental Protection Agency has announced new measures to reduce the allowable amount of fine particulate pollution in the air. Former EPA Administrator Gina McCarthy joins Host Aynsley O’Neill to discuss these new standards, as well as the Inflation Reduction Act and the role of women in the environmental movement.

Ohio, Indiana, and West Virginia have challenged the Environmental Protection Agency’s “Good Neighbor” rule in the Supreme Court. The regulation is designed to keep one state’s ozone emissions from spilling downwind and pushing another state out of compliance. Michael Burger from the Sabin Center for Climate Change Law at Columbia University joins Host Paloma Beltran to explore what this challenge means for the environmental regulation landscape.

To kick off Women’s History Month, we take a look at the history of women outdoors in America. From abolitionist Harriet Tubman to novelist Louisa May Alcott, some of the country’s most important women trailblazers shared a connection with the natural world in their girlhood. According to author Tiya Miles in her book Wild Girls: How the Outdoors Shaped the Women Who Challenged a Nation, this time spent in the outdoors prepared these women to become pioneers in their fields. She joins Host Paloma Beltran for more.