We have a moral obligation to protect the environment.

我们有道义责任保护环境。

《牛津词典》

If we don't act to protect the environment, we will live to regret it.

如果我们现在不采取行动保护环境，我们会遗憾一辈子。

youdao

My position on this problem is that we should do whatever we can to protect the environment.

我对于这个问题的观点是我们应该竭尽所能去保护环境。

youdao

And we will tell how scientists are using lobsters to help protect the sea environment.

VOA: special.2009.08.25

For example, how cancer diagnosis has improved, what are some of the causes of cancer in the environment around us and how can we protect ourselves from it, and we'll talk about treatments for it as well.

例如癌症的诊断手段是如何进步的,我们周围环境中有哪些致癌因素,以及我们如何保护自己免受其害,我们也会讨论到癌症的治疗手段

耶鲁公开课 - 生物医学工程探索课程节选

The jobs we do, the prosperity we build, the environment we protect, the security that we seek -- all of these things are shared.

WHITEHOUSE: President Obama Holds Town Hall with Chinese Youth

Through giving to those in need, all Americans can lift up their communities while helping protect the environment we share.

WHITEHOUSE: Presidential Proclamation -- America Recycles Day, 2012

Certainly everyone wants to recycle waste, and protect the environment, but we are limited by the lack of a viable systematic approach.

FORBES: Could a closed-loop system be the solution to reducing waste?