In this episode of Yeti Or Not, we take a deep dive into one of the most controversial environmental theories of 2026. As global CO2 levels continue to climb, some researchers are looking past climate change and toward a more personal impact: neurodevelopment. We’re examining the data behind the "Atmospheric Theory" of autism. Is the increase in atmospheric carbon dioxide contributing to a shift in human neurology, or is this a case of correlation without causation?