In principle, there are three ways of limiting human environmental impacts: through population policy, technology and governance.

原则上，有三种方式限制人类活动对环境的影响：通过人口政策，技术和管理。

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The technology of recycled concrete accords with the policy of energy saving and emission reduction in Chino, which has better environmental and economic benefit, as well as wide development prospect.

再生混凝土技术的经济、环境等效益符合国家提出节能减排的政策，具有良好的工程应用前景。

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Then the environmental policy will directlyinfluence the decision-making in R&D. Endogenous technology in R&D will beexogenous variables in diffusion.

这样以来扩散阶段的环境政策会直接影响到研发阶段的企业决策，在研发阶段作为内生的技术在扩散阶段成为外生技术变量。

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In principle, there are three ways of limiting human environmental impacts: through population policy, technology and governance.

ECONOMIST: Demography, growth and the environment

The task force is made up of NOAA, the Environmental Protection Agency and the White House Office of Science and Technology Policy.

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In 2009, the White House Council on Environmental Quality (CEQ), the Office of Science and Technology Policy (OSTP), and the National Oceanic and Atmospheric Administration (NOAA) initiated the Interagency Climate Change Adaptation Task Force, which includes representatives from more than 20 Federal Agencies.

WHITEHOUSE: Browse White House visitor logs