Today, more than 1 billion people around the world celebrate Earth Day—but decades before this global movement began, one woman laid the foundation. When aerial pesticide programs drenched the Northeast in chemicals like DDT, devastating ecosystems and killing thousands of wildlife species, marine biologist and writer Rachel Carson sounded the alarm. Her groundbreaking book, Silent Spring, ignited a nationwide reckoning with the hidden environmental costs of modern life. For a full list of our sources, visit npadpodcast.com/episodes Listen to Watch Her Cook on Apple and Spotify! Follow us on Instagram For the latest NPAD updates, group travel details, merch and more, follow us on npadpodcast.com and our socials: Instagram: @‌nationalparkafterdark TikTok: @‌nationalparkafterdark Support the show by becoming an Outsider and receive ad free listening, bonus content and more on Patreon or Apple Podcasts. Want to see our faces? Catch full episodes on our YouTube Page! Thank you to this week’s partners! Harvest Hosts: For 20% off your order, head to HarvestHosts.com and use code NPAD. Lume Deodorant: Control Body Odor ANYWHERE with @lumedeodorant and get 15% off with promo code NPAD at LumeDeodorant.com! #lumepod IQBAR: Text PARK to 64000 to get 20% off all IQBAR products and free shipping.