英国威尔士地区将要求农民尝试给牲口喂食新“配方”饲料，从而减少它们打嗝时释放到大气中的甲烷。
Welsh farmers will be asked to try out new diets on their livestock to cut the amount of methane their burping releases into the atmosphere.
有专家担心，其他技术要求大气平稳时，英国却过度依赖风力作为其能源。
Experts fear that Britain is relying too much on wind as a power source when other technologies are required in calm weather.
今年四月份州长比尔•李特签署了《科罗拉多州清洁大气工作法案》，上述计划就是为了满足这个法案的要求提出的。
The plan was required under the Colorado Clean Air-Clean Jobs Act, signed by Gov. Bill Ritter in April.
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