71、花木有情报春晖，同学爱护喜心扉。

Spring flowers and trees have the intelligence, heart hi classmates love.

72、固土防沙，草木当家。

Soil consolidation, sand prevention, vegetation master.

73、让校园阳光普照，让绿色神圣美妙。

Let the campus sunshine, let the green sacred wonderful.

74、共植万顷绿地，同撑一片蓝天。

A total of 10000 acres of green space, with the support of a blue sky.

75、丢掉的是品质，捡起的是美德！

What is lost is quality, but what is picked is virtue!

76、环境人人护，子孙代代福。

Protect the environment, descendants, generations of blessings.

77、只有一个地球，人类就应同舟共济。

Only one earth, human beings should be in the same boat.

78、保护环境山河美持续发展事业兴。

Environmental protection, mountains and rivers, the United States continued to develop, cause.

79、环境与人类共存，开发与保护同步。

Coexistence of environment and human beings, development and protection synchronization.

80、垃圾是放错位置的资源。

Garbage is a misplaced resource.