Landfill projects that capture methane (a potent greenhouse gas) and improve often dangerous working conditions for young workers at landfills, would otherwise not be economically viable.

如果没有碳市场，捕获甲烷(一种有效的温室气体)并可以改善垃圾填埋场年轻工人的危险工作环境的项目就不可能具有经济上的可行性。

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The toxic metal can damage human brains and nervous systems, and is particularly dangerous for young children.

汞作为一种有毒的金属，会损害人的大脑以及神经系统，尤其对儿童危害很大。

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They are seen as dangerous, seen as a potentially antisocial element, and there is fear of young people and that needs to change.

他们被看成危险因素，被看成潜在反社会成份。 年轻人存生的恐惧感，该改变了。

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Ms Chastain says that while she supports healthy habits and movement for children of all sizes, singling out overweight young people feels dangerous and unfair.

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Very young Americans in a stressful and dangerous environment are entrusted with a level of authority and accountability that is unique in our society and their performance always exceeds expectations.

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Sluggers Matt Holliday, Allen Craig and Carlos Beltran remain a part of a dangerous lineup, and bright young arms Trevor Rosenthal, Shelby Miller and Joe Kelly could have an impact in the rotation and bullpen.

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