欧洲委员会的环境和可持续性研究院准备开展一项对碳足迹量定方法的分析。
The European Commission's Institute for Environment and Sustainability is about to launch an analysis of footprinting methods.
它是第一个从国家科学院所确定的可持续性主要目标，即从生产力、经济效益和环境这几方面来比较有机农业和传统农业。
It is the first to compare organic and conventional agriculture across the main goals of sustainability identified by the National Academy of Sciences: productivity, economics, and environment.
该书指出，提高能效对于这三个国家至关重要，“原因包括能源供应保障、经济竞争力、生活改善和环境可持续性。”
Energy efficiency is critical in those three countries “for reasons of energy supply security, economic competitiveness, improvement in livelihoods, and environmental sustainability,” the book says.
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