How can humans clean up our space junk?

Humans filled waterways, landfills, and streets with trash, so it’s no surprise the same thing happened in Earth’s orbital neighborhood. Now our species will finally take a crack at cleaning up.Some missions focus on dead satellites, aiming to catch them with robotic arms, spear them with harpoons, or slow them with sails or tethers. Others aim for smaller pieces with lasers or stick to them with adhesive. It’s all an effort to keeping low-Earth orbit, the region up to 1,200 mi