Read a full literary passage and identify the main idea with evidence

5th Grade English practice: Read this passage: At first, Jae did not want to join the school recycling team. He thought sorting paper and cans would be boring. But after he learned how much waste the school created each week, he designed colorful signs to help younger students recycle correctly. By Friday, the bins were less messy, and Jae proudly told his teacher that small actions could make a big difference. What is the main idea of the passage. Part of main idea details (Main idea details).