After massive terror attacks in Sri Lanka killed nearly 300 people on Sunday, the gov there has blocked Facebook and other social media sites. Their goal: to prevent more sectarian violence. But does going dark on social media actually work? Meanwhile, in the US, the FBI arrested the leader of a vigilante group in New Mexico. Which has drawn a lot of attention to armed militias at the southern border. We’ll tell you what you need to know. Also on today’s episode: LA says ‘later, bruh’ to plastic straws, and other ideas on how to show the planet you care. Right in time for Earth Day.