Today on CNN10: We are celebrating Earth Day with an entire lineup of stories highlighting both the vigor and vulnerability of our planet. We begin with a growing debate over krill trawling in our Antarctic oceans, we'll meet some new babies making their species less endangered, and see the once-in-a-lifetime image captured by Artemis astronauts. All this and more on today's CNN10!Learn more about your ad choices. Visit podcastchoices.com/adchoices