An energy expert explains why offshore oil spills keep happening and whether they’ll ever stop.

Today’s show was produced by Victoria Chamberlin, edited by Matt Collette, engineered by Cristian Ayala and 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