From the BBC World Service: The Australian government announced it will ban children under 16 from having YouTube accounts starting in December. The ban also limits young people's use of TikTok, Instagram, Facebook, X, and Snapchat. We'll learn more. Then, South Africa has long struggled with power cuts. Now, some companies are introducing pay-as-you-go backup power systems. And, a UN environmentalist warns that new Brazilian legislation aimed at streamlining major infrastructure developments will lead to more deforestation.