This is the sixth book in the Learn with Alex and Anna series. Alex and Anna go to the park to feed the ducks with Grandpa, Auntie Lucy and Freddie. In the park they see a grown-up drop a sweet wrapper on the ground and leave it. Not wishing to let it harm the environment, Grandpa picks it up and puts it in the bin. Alex and Anna then arrive at the pond and start to feed the ducks. Suddenly to Alex and Anna's horror, a duck becomes trapped in some discarded rubbish. A park ranger comes to the rescue and sets the little duck free. The following day, Alex tells his classmates and schoolteacher how to deposit rubbish correctly. His values are later copied by the head of the school. Read this story to discover what happened.