Oh dear! Sustaina is using a giant lightbulb powered by ten hamsters on wheels just to read her book. There must be a better way to get power that lasts forever, like using the sun! A) The Tale of the Windmill That Gave a Village Power. B) To keep our planet healthy for a long time, is it better to use things once and throw them away, or use them again and again? C) Let's pretend to be windmills and spin our arms around!