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.

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。”

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Energy efficiency is critical in those three countries "for reasons of energy supply security, economic competitiveness, improvement in livelihoods, and environmental sustainability," says the book.

该书指出，“出于能源供应安全、经济竞争力、生计改善以及环境可持续性等原因，”能效对三国至关重要。

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In addition, many changes to reduce emissions of greenhouse gases also deliver significant benefits in environmental sustainability, public health, energy security, and financial savings.

除此之外，许多温室气体减排措施还对环境可持续性、公共卫生、能源安全和节约资金大有裨益。

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Last year alone, colleges and universities across the country created more than 100 major or minor programs in energy,sustainability, environmental studies and other so-called green subjects.

VOA: standard.2010.04.22

We are looking forward to having more than 1, 000 attendees at the Symposium this year as we continue to grow the community that is leading by example on energy and environmental sustainability.

WHITEHOUSE: GreenGov 2012: Leading by Example

On September 24-26, 2012, the third annual GreenGov Symposium will convene leaders in the public and private sectors here in Washington, DC for a focused dialogue on energy and environmental sustainability in the Federal Government.

WHITEHOUSE: GreenGov 2012: Leading by Example

At Blackstone, ICF advises and implements energy efficiency and environmental sustainability programs for the company and its portfolio of companies and properties.

FORBES: Here's A Fast Growing Ace Consultant to Governments and Global Companies