1, love flowers, love grass and love green saplings. No picking flowers, no walking, no littering. Earth day is coming. Love the earth and make you happy and healthy.

2. Variety of trees, less tree cutting, environmental protection and greening; Save water, less pollution, good air, everyone laughs; On Earth Day, may we protect and cherish our common home.

3. The origin of the world earth: The earth was born under the background of serious environmental pollution. Its purpose is to raise people's awareness of existing environmental protection issues and improve the overall environment of the earth through green and low-carbon activities. The world earth originated in America. 1969, U.S democratic senator Gallo Denilson proposed to hold lectures on environmental protection in school parks all over the country, and the following year's "422" was regarded as "the earth".

On Earth Day, saving energy is a great event, and everyone should try it. Emission reduction is not ignored, and it is the general trend; Environmental protection is the best, and green is the most selfless; As long as everyone is happy.

5, care for trees, not deforestation; Protect the environment and don't litter; Save energy, do not waste water and electricity; Purify the air and don't leave it anywhere. Earth day, care for the earth and build a warm home together.

6. Caring for small animals and protecting our living environment has gradually become people's conscious consciousness and behavior. Students, please remember: the deer is our partner, the magpie is our friend, the forest is our brother, the grassland is our sister, the ocean is our parent, and the river is our ancestor. Let's love them as our own relatives.