So, if you could make automobiles with a high magnesium content, you would reduce the mass, reduce the energy required, and thereby reduce the environmental impact.

所以，如果你能用含镁量,很高的材料来制造手机，你就能减轻手机的质量，减少制造所需能量，因此减轻了对环境的破坏。

麻省理工公开课 - 固态化学导论课程节选

The biodiversity has shrunk for various reasons of profitability and as a consequence of that things like corn crops, and the orange crops in Florida are particularly susceptible to certain environmental conditions, certain pests, and certain types of blight.

生物多样性的减少源自利益的驱动,和玉米一样,佛罗里达的柑橘作物很容易受到,一定环境条件的影响,还有虫害和枯萎病

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Because of that large amounts of particular types of pesticides and fertilizers and the like have to be used to defend against these outside threats; and those bring their own series of environmental consequences, so we'll go into that in some detail.

由于上述原因,人们大剂量使用某些,杀虫剂和化肥,这样做是为了抵御外来威胁,这带来了一系列的环境影响,我们来详细看看是怎么回事

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选