由于这种能源大部分来自化石燃料的使用，浪费食物可能导致不必要的全球变暖以及低效率的资源利用。
Since much of this energy comes from the utilization of fossil fuels, wastage of food potentially contributes to unnecessary global warming as well as inefficient resource utilization.
美国的交通基础设施亟需全面翻修，同时也存在很多优秀项目能够提高能源利用效率或增加替代燃料资源。
America's transport infrastructure is in need of overhaul (see article), and many worthy projects exist that could boost energy efficiency or alternative fuel sources.
这位在办公室设在北京的为美国自然资源保护委员会工作的大学生，经常到重庆帮助其提高能源利用效率。
The former college student, who works for the Beijing office of the U. S. -based Natural Resources Defense Council, often travels to Chongqing and helps the city improve its energy efficiency.
该企业采用这些措施后，优化了公司的整体用能水平，提高了能源和水资源的利用效率，大幅度降低了综合能耗，经济效益显著。
The efficiency of the utilization of energy and water reached a new level after realizing these measures; total energy consumption was reduced significantly and the economic benefit was obvious.
但是，由于生物质燃烧方式与利用途径单一、陈旧，生物质能源燃烧效率低，甚至部分粮食土产区出现秸秆就地焚烧现象，造成生物质资源浪费，加重化石燃料利用带来的污染。
However, due to the very low efficiency of biomass and dated means of biomass, the majority of them are burned on spot which results in serious environment pollution and biomass resources waste.
但是，由于生物质燃烧方式与利用途径单一、陈旧，生物质能源燃烧效率低，甚至部分粮食土产区出现秸秆就地焚烧现象，造成生物质资源浪费，加重化石燃料利用带来的污染。
However, due to the very low efficiency of biomass and dated means of biomass, the majority of them are burned on spot which results in serious environment pollution and biomass resources waste.
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