This week: how can the world's island nations be saved from rising sea levels, and what it's like living on the frontline in Afghanistan. Plus, we meet one young person who risked it all to escape North Korea for a new life. BBC My World is a brand new show for young people around the world, brought to you by executive producers Angelina Jolie and the BBC World Service. We've also partnered with Microsoft Education and BBC Learning to show you how the news is made, fact-check stories and spot fake news. Subscribe to #BBCMyWorld here: null #bbcmyworld #climatechange