"The Trash Cage – How a cloud of junk could trap humanity on Earth forever" investigates the "Kessler Syndrome," a theoretical scenario proposed by NASA scientist Donald Kessler in 1978. It suggests that once the density of objects in low Earth orbit is high enough, collisions between objects could cause a cascade: one satellite hits another, creating thousands of shrapnel pieces, which hit other satellites, creating a chain reaction. Science writer David Junk describes the terrifying result: a shell of debris moving at 17,500 mph that destroys everything in orbit and makes leaving the planet impossible for centuries. We would be trapped under a ceiling of our own garbage, losing GPS, weather forecasting, and telecommunications. "The Trash Cage" is an environmental wake-up call. It treats space not as an infinite void, but as a finite resource that we are polluting to the point of no return, threatening to end the Space Age before it has truly begun.