However, urban forest and green land can improve and decrease the urban ecological and environmental problems brought by the urbanization.

而城市森林绿地能够改善和缓解城市化引起的城市生态环境问题。

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Materials industry is an important responsible area of resource (energy) depletion and waste emission, which results in severe ecological and environmental problems.

材料产业是资源（能源）消耗和污染排放的主要责任者之一，并由此产生了深刻的生态环境问题。

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The County of Pinghe has achieved considerable success in the exploitation of mountain areas, however, there are some ecological and environmental problems remain to be solved.

平和县的山地开发已取得了较大成功，但也存在一些有待解决的生态环境问题。

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