I think that when one material can bring more than one style, it's eco-friendly.

我觉得当一种材料可以用作多种形式时，它就是环保的。

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The circular economy is an economic activity guided by the laws of industrial ecology, which is a new eco-friendly pattern based on the material - and energy-recycles.

循环经济是运用工业生态学规律指导的经济活动，是建立在物质、能量不断循环使用基础上与环境友好的新型范式。

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Aluminum Composite Panel is a new kind of Eco-environment protection building material.

铝塑复合板是一种新型的生态环境建筑材料。

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The fact that wood is the most eco-friendly building material is an obvious reason for its use, but as Kantonen explains its aesthetic qualities are being rediscovered and appreciated again.

CNN: Spectacular forms in wood

Beyond this eco-friendly element, Radiator Labs is integrating a phase change material into its product that can store energy and heat an apartment for up to four hours without assistance from the boiler.

ENGADGET