There’s a lot of trash on the Moon right now—including nearly 100 bags of human waste—and with countries around the globe traveling to the Moon, there’s going to be a lot more, both on the lunar surface and in Earth’s orbit. In August 2023, Russia’s Luna-25 probe crashed into the Moon’s surface, while India’s Chandrayaan-3 mission successfully landed in the southern polar region, making India the fourth country to land on the Moon. With more countries landing on the Moon, people back on Earth will have to think about what happens to all the landers, waste, and miscellaneous debris left...