Climate scientists are desperately trying to tell us to reduce our carbon emissions - to stop building new coal plants, to switch to clean renewable energy, to embrace energy efficiency...

气象科学家们奋力地尝试告诫我们减少碳排放量—到停止建设新的煤电厂，拥抱，转入清净再生能源，拥抱能源效率。

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The American plan also meets Stern's other prescriptions for an effective green stimulus - a concentration on building efficiency and renewable energy.

美国计划也符合Stern为有效绿色刺激所提出的对策—关注建筑效率和可更新能源。

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They include: legislation on fuel efficiency for cars by 2011 and new building efficiency by 2012, getting 20% of energy from renewable sources by 2020; and expanding forest cover.

它们包括：分别在2011年前和2012年前制定有关汽车燃油效率和建筑物能源效率的法律；到2020年有20%的能源消费来自可再生资源；以及扩大森林覆盖率。

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Beijing also requires government agencies to buy energy-efficient products, and it has focused on improving building efficiency in hotels in the China's cold northern regions.

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Spread over nine equally-weighted categories, the scorecard rates colleges on factors like sustainable policies by administration, commitment to energy efficiency and conservation, food and recycling policies, campus-wide green building initiatives, student involvement, alternative transportation.

FORBES: Sustainability Report Card: How Green Is Your College?

That along with a high-efficiency cooling system resulted in a 34% energy savings compared to a typical building.

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