Plastics freed us from the confines of the natural world, from the material constraints and limited supplies that had long bounded hu man activity.

塑料使我们从自然的限制中得到解放，从长期限制人类的活动的材料限制和有限的供应中得到解放。

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Any material that can be easily recycled such as paper, glass, or metal cans will be good choices for going green. Cloth totes or string bags are green and should be used in place of plastics.

我需要使用更多可重复用的玻璃、陶瓷、或不锈钢容器，任何可以容易回收的材料，如纸、玻璃、或金属罐将是走向绿色环保好的选择，布手提包或串袋是绿色的，应该用来代替塑料。

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But the oil price hike has also fueled a race to find new sources for chemical intermediates - compounds that are the raw material for many modern plastics, drugs and fuels.

但是，高涨的油价还激发了寻找新的化学中间品来源的竞争——这些化合物是许多现代材料的原料，比如塑料、药品以及燃料等等。

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For Dow Chemical,the main focus will be producing material from algae that can be used to make plastics.

VOA: standard.2009.09.02

Unlike conventional plastics, their ultimate raw material is not oil, but maize.

ECONOMIST: Evanescent or evergreen?

One of Mr. Talbot's favorites is a fine, stiff netlike fabric used by the automobile industry as a support material between upholstery and metal or impact-resistant plastics.

WSJ: Polyester Is Back in Style at Alexander Wang, Talbot Runhof, Akris

Material choices run the gamut between the cameras with soft touch plastics, plastic chrome accents and metals.

ENGADGET: Samsung's point and shoot offerings for 2013 hands-on