Martin has your Thursday Newsround. We hear what it's like living with the power cuts caused by Storm Arwen, young locals tell us about pollution in Lake Windermere, and we find out about a new vaccine for malaria and why it's so important.

Newsround: Today's top headlines and new words of the day

Is your Christmas elf back? Send us your pics!

Send in your questions to Professor Jonathan Van-Tam

Which song have you listened to the most this year?

Due to sports rights we can't always show the full programme online. You can watch the full version, with optional subtitles, on BBC iPlayer here.