We can have a clean world or we can do nothing. The choice is up to you.

我们可以拥有一个洁净的世界，我们也可以什么都不做。选择权在你。

youdao

Clean water is a precious commodity in that part of the world.

在世界的那个地方，洁净的水是宝贵的东西。

《牛津词典》

They can make the world a clean and comfortable place.

他们可以把世界变得干净舒适。

youdao

The lack of clean drinking water around the world forces millions of people to drink unsafe water.

VOA: special.2010.04.05

Now UNESCO is warning the Lebanese government to clean up Qadisha or it could be removed from the World Heritage list.

VOA: standard.2010.08.05

National and state governments around the world have been trying out various incentives and subsidies to promote clean renewable energy but the global economic slowdown has hurt the ability of many governments to dole out public funds.

VOA: standard.2010.03.23

As we reflect on that historic day of activism and stewardship, let us embrace our commitment to the generations yet to come by leaving them a safe, clean world on which to make their mark.

WHITEHOUSE: Presidential Proclamation -- Earth Day

If past is prologue, the country that leads the world in clean energy innovation will likely lead the clean energy sector world-wide.

FORBES: Who Is Best Poised To Lead The Clean Energy Revolution?

Clean the World also created a program specifically for corporate meeting planners.

BBC: Business travel gives back