Super Short Summary

In Something New Under the Sun, John Robert McNeill explores the significant environmental changes of the twentieth century, arguing that this period saw more environmental damage than any other in history. He divides the book into two parts: "The Music of the Spheres," which examines the Earth's spheres and their transformations, and "Engines of Change," which analyzes the social and technological drivers behind these changes. McNeill highlights the fragility of our technological systems and our role as unintentional environmental engineers, urging readers to reflect on future modifications to improve the planet's prospects.