Sarah learned about plants in science . She learned that plants help people. learned that every year people destroy . This includes trees. She learned that trees there would be no oxygen us to breathe. She decided to a club at her school. It called Project Green. They would work planting trees. Although it would not all the problems, planting trees was good way to help the environment. was also fun to meet with people. They gathered on saturday. Each was in charge of a different . There was only 20 people in group before. After the school heard what they did, their club grew. following week there were a hundred .