What event is widely regarded as the beginning of the modern environmental movement in the United States? amirshahzad.pk@gmail.com - April 20, 2025 0 June 21, 2026 What event is widely regarded as the beginning of the modern environmental movement in the United States? The establishment of Yellowstone National Park The publication of Silent Spring by Rachel Carson The signing of the Clean Air Act The first Earth Day celebration None Time's up
