When we think about ecological and biological disruption, we tend to focus on the big picture: destroyed habitats, melting ice caps, and animal extinctions. So it’s easy to overlook how small actions can have an enormous impact on the natural world, often in ways we never notice. A great example happened in the summer of 2023 in Carlsbad Caverns National Park in Southeastern New Mexico near the Texas border, when a park visitor dropped a bag of…