1、少一个脚印，多一个生命。

One footprint, one more life.

2、痰吐在地，辱写在心。

Sputum spit in the ground, humiliation written in the heart.

3、保护环境，就是爱惜生命。

To protect the environment is to cherish life.

4、煤气泄漏莫惊慌，先关阀门后开窗。

A gas leak alarm, first close the valve opening.

5、花草是我的朋友，请多一份爱护。

The flowers are my friends, please a little love.

6、环境卫生的洁净，有您的一份文明。

Clean sanitation, a copy of your civilization.

7、绿色校园，绿色生活。

Green campus, green life.

8、人人爱花草，空气环境好。

Everyone loves flowers and the air is good.

9、为了子孙后代，请留下一片净土。

For the sake of future generations, please leave a piece of pure land.

10、热爱我们的母亲，不要再让她伤心和失望。

Love our mother, do not let her sad and disappointed.