Here's a decent rule of thumb: High-tech products like electronics usually aren't so bad, while products like leather and glass tend to be associated with a lot more pollution.

在此提供一个不错的经验之谈：高科技产品诸如电子之类的都还不错，而皮革和玻璃制品则会制造大量的污染。

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Glass represents how an even more potent challenge has arrived: sophisticated, capital-intensive businesses that boast high-tech expertise.

玻璃代表着一次更强有力的挑战到来：这桩复杂又耗钱的生意可是宣称具有高科技含量的。

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A little more than 1.5 percent of each gold medal was made with metals harvested from cathode ray tube glass, computer parts, circuit boards and other trashed tech.

每块金牌都有1.5%多来自于从阴极射线管，电脑零件，电路板和其他电子垃圾中提取的金属。

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The high-tech glass pavilion, built in just over a fortnight on open ground in front of the convention centre where the meeting is to be held, is powered by photovoltaic panels which cover the whole of its sloping south-facing wall.

ECONOMIST: The power of the sun

Photographs are so easy to take and so ubiquitous that we're neglecting the craft of capturing images. (Before long, Google Glass, the high-tech glasses with a built-in camera, will let us take a photo of whatever we happen to be looking at.) While technology has imbued the minutia of our experience with meaning, it's also turning us into lazy photographers.

WSJ: How to Take Better Travel Photos

But in truth it is still unclear how big the appetite for head-worn computers will be, and Google's Project Glass - which benefits from the company's strong tech brand - is expected to play a critical role in determining whether the sector succeeds or fails.

BBC: Details of Google's Project Glass revealed in FCC report