This week on FYI, we investigate where our rubbish goes when it’s recycled. We also find out how pools popping up in school playgrounds are getting more of us swimming. Plus, we follow the journey of Charley the elephant, the last to be released from a South African zoo.

Next week on FYI, we explain what’s happening in the middle east, look into green energy and investigate a new technology that could tidy up space.