It is pleasant to live in a clean environment.

生活在干净的环境中是一件非常让人快乐的事情。

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How does what you do, what you consume, and how you live, impact the environment?

你做的事情、你消费的东西、你生活的方式，如何影响着环境？

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In her opening address, Ms Bokova stressed the importance to act where needs were most acute, pointing to Africa where over 300 of the 800 million people in the Sub-Saharan region live in a water-scarce environment.

UNESCO: Water cooperation: more urgent than ever

The mice at NYU live in a super-clean environment, and those imported from other labs carry a risk of contamination.

WSJ: Scientists focus on another Sandy loss _ lab mice

The live-tile design is strikingly different from the icon-based environment we find on Android devices and the iPhone.

FORBES: Microsoft And Windows Phone Partners Declare Mobile War