Russia blew up a satellite and almost put the International Space Station in a precarious position. Recode’s Rebecca Heilweil explains how humans are trashing space. A space environmentalist (!) explains what cleanup might look like. Today’s show was produced by Hady Mawajdeh, edited by Matt Collette, engineered by Efim Shapiro, fact-checked by Laura Bullard and hosted by Sean Rameswaram. Transcript at vox.com/todayexplained Support Today, Explained by making a financial contribution to Vox! bit.ly/givepodcasts Learn more about your ad choices. Visit podcastchoices.com/adchoices