许多有害的或者有争议的污染物也未计算在内——比如说二氧化碳和小颗粒排放，或者其污染数据未公之于众——比如说臭氧层的破坏程度。

Many harmful or controversial forms of pollution are either not measured - as is the case for carbon dioxide and small particle emissions - or the data is not made public, as is the case for ozone.

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在雷克雅未克的科学家们希望绕过二氧化碳吸收水份的缓慢过程以及在将其注入地下之前将气与水相混合而产生的危险。

Scientists at reykjavik want to bypass the slow process of CO2 absorption into water and the risks it poses by mixing the gas with water before injecting it underground.

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“人工树木”可以从空气中吸收二氧化碳，但仍然是一项未检测的技术。

Artificial trees would capture CO2 from the air, but this is still an untested technology.

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And he predicts the density of the oxide of the yet undiscovered element.

他预测这个还未被发现的元素的,氧化物的密度。

麻省理工公开课 - 固态化学导论课程节选