Trees help keep the air clean and they make oxygen that we can breathe.

树木有助于净化空气，释放出可供我们呼吸的氧气。

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Trees reduce dust and help keep the air clean.

树木减少灰尘，有助于保持空气清洁。

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Lovegrove also hopes to integrate an air purification bubble into the new trees, enabling them to clean the air around them, much like a real tree.

Lovegrove还希望能将一种空气净化泡沫组合到新设计中，就像一颗真正的树木一样，能起到净化周围空气的作用。

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The air is clean. The trees are dark and very large.

VOA: special.2009.11.16

Just the same as the Forest Trees that clean the air and make Oxygen we breath and all living on earth need to Live.

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And he helped implement PlaNYC, a long-term scheme to build houses for up to 1m New Yorkers, link them to transport, clean up brownfields, plant 1m trees and improve air and water across the five boroughs.

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