1. saving water means cherishing life.2. water resources are limited, the river of life is infinite.3. electricity saving and environmental protection slogan: saving energy, promising, work in the contemporary, benefit in the future 4. protect green slogan: don't step on me. I can hurt my...
19. acid rain is the common enemy of all things on earth 20. conservation of biodiversity 21. protect the marine environment and prohibit dumping toxic and harmful wastes into the ocean 22. buy cars with emission standards 23. planting trees and grass is beneficial to environment prote...
(1) A drop of water is worth more than a sach of gold to a thirsty man. (2) Don’t let the water run in the sink, our life is on the brink.