Paulownia is an important fast-growing tree species, which is widely distributed and favored by people.

泡桐是我国重要的速生用材树种，分布广泛，深受广大群众的喜爱。

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For example, planting fast growing pine trees on grassland will help to lock up carbon in the tree, but it may also disrupt the soil and release carbon already stored in the grassland.

举例来说，虽然在草原种植快速成长的松树将有助于将碳锁在树中，但是，松树也许会分解土壤，把已经储藏于草场的碳释放出来。

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If you want to get rid of a tree growing in your garden and cut it down, it will grow again quite fast, but if you stop irrigating the tree, it will gradually wither.

如果你想通过砍伐除去你花园中的一棵树，它会很快地重新生长起来，但如果你停止灌溉它，它却会逐渐枯萎。

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At the same time, community plantations with fast-growing tree species for use as fuelwood are being introduced, as well as 10 000 efficient wood-burning stoves.

UNESCO: The lucrative business of saving East African forests