Liam is a 10-year-old student. He loves . Every morning, he to school. On the way, he sees trees, flowers, and birds. Liam feels happy when he sees the blue sky and the green grass.b One day, Liam sees rubbish on the ground near his school. He feels . “I must help!” he says. He picks up the rubbish and puts it in the . His teacher, Mrs Green, smiles and says, “Good job, Liam!” At home, Liam talks to his . “We should use less plastic,” he says. “Let’s take reusable bags to the store.” His family agrees. On the weekend, Liam plants a tree in the park with his dad. He it and says, “This tree will help the Earth.” Liam feels proud. He knows he is helping nature.