Forest, the principal part of land ecosystem, plays a very important role in improving environment and maintaining the balance of it.

森林是陆地生态系统的主体，在改善生态环境、维护生态平衡中具有不可替代的作用。

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Define sustainable growth as a balanced growth path generating both rising consumption per capita and an improving environment.

将可持续增长定义为导致人均消费上升和环境改善的平衡增长路径。

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Innovating wall materials offers the important measures for protecting land resources, saving energy, utilizing resources comprehensively and improving environment.

墙体材料革新是保护土地资源，节约能源，资源综合利用，改善环境的重要措施。

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She says any discussion about improving the environment must include a discussion about changing the animal food production industry and changing people's diets.

VOA: special.2009.11.06

Pai contends that the optical industry, after seeing years of annual price declines of 15% or more, is positioned for an improving environment, thanks in no small measure to significant consolidation in the industry.

FORBES: JDSU: Analyst Sees Big Gains For Optical Networking Player

Consumers and businesses will increase their spending in an improving economic environment this year, he argues.

FORBES: AXP: A Highly Charged Enticing Play On A Consumer-Spending Rebound

Clinton said improving the environment and building a strong economy go hand in hand.

CNN: Clinton Marks Earth Day With Trail Project