environmentally benign

基本解释

Some of the most environmentally benign and high-tech products turn out to have very dirty origins indeed.
一些最环保与高技术的产品事实上成了非常肮脏的真正源头。
North American ethanol is mostly made from corn (maize), which is less efficient, and often produced in distilleries powered by coal; it is thus neither as cheap nor as environmentally benign.
北美的乙醇大多数来自谷物（玉米），效率较低而且常常在以煤为动力的蒸馏厂里生产出来；所以它既不便宜也不环保。
The most environmentally benign form of agriculture appears to be “no till” farming, which involves little or no ploughing and relies on cover crops and carefully applied herbicides to control weeds.
最环保的农业生产方式似乎是“免耕”播种，这一生产方式很少或不再耕作，依赖表层植被并谨慎使用除草剂。

After years of reviews, in September 2010, the FDA released a long-awaited comprehensive guidance analysis that found the salmon environmentally benign and safe for human consumption.
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Although the total amount (weight) of herbicides used with (and without) genetically engineered, herbicide-tolerant crops in the United States may have increased relative to usage levels 10 years ago, there has been a concomitant shift to more environmentally benign, rapidly degraded herbicides.
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It is specifically modified to be used with glyphosate, marketed by Monsanto as Roundup, an herbicide considered less damaging to crops, less environmentally harmful than the range of pesticides used in conventional farming and toxicologically benign.
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