Humanity has a neck for littering. We pollute our oceans and atmosphere but that's clearly not enough for us. 51 years ago our first piece of junk in space was Sputnik one and since then we have polluted space around our planed with millions pieces of junk or how scientists call them "space debris". Our satellites, shuttles and rockets have to navigate through all that junk which revolves around Earth at very high speed tens of thousand of miles per hour. For example a tiny fleck of paint can crack a window on the international space station. Lost tools, nuts and bolts can easily kill

These guys take safety regulation too seriously. Just look at them.