1. There is only one earth. If we lose it, where will we find our home? 2. If greening is done well, pollution will be reduced. If garbage is sorted, the environment will be guaranteed. 3. Care for the environment and protect the earth , let us hold up our hands and hold up a blue sky together. 4. Please hold your feet high and listen, the grass is crying! 5. Who can bear to live wearing a gas mask every day? - Let the air be fresh !6. The sky is the home of the birds, the river is the home of the fish, and the earth is our home. 7. Let Mother Earth be young and beautiful forever. Books are the lighthouses standing in the vast ocean of time.----Whipple Tianbo Yi Thank you, time is the greatest innovator and the greatest innovator. She is a great author who does not hesitate to pass time. She can write the ending of the future. Time is a golden river. Don’t let it slip by your fingertips. ( Latin America) Don't do evil because it's small, don't do good because it's small. - "Three Kingdoms" Don't wait for a moment, a young man's head will be gray, empty and sad. An inch of time is worth an inch of gold, and an inch of gold can't buy an inch of time. Those who are determined will do something. It was accomplished, the cauldron was broken, and the land of Qin finally belonged to Chu; the hard work did not fail man and nature, and the courage was tasted while lying down, and three thousand Yue Jia could swallow Wu