" fourteen percent of emissions from all sources in australia is from enteric methane from cattle and sheep , " said athol klieve , a senior research scientist with the queensland state government 昆士兰州政府的高级科研人员阿索尔?克里弗说: “在澳大利亚,牛羊排放的甲烷占温室气体排放总量的14 % 。 ”