A relatively small unit attached to the smokestack at the mountaineer power plant in west virginia is capturing some 1.5 percent of the carbon dioxide the coal-fired plant would otherwise belch into the sky .
It is telling , say some scientists , that global warming was at its most marked from the 1970s to the 1990s , roughly the time when europe and north america got serious about cleaning up smokestack sulphur .
In the rutted back-roads around chaohu , on the wall next to the smokestack of a small brick factory , the slogan " everybody pay close attention to environmental protection and we will all have a beautiful home " is squeezed between an advertisement for motor cycles and one for chemical fertiliser .
Men in suits watch an experimental smog-control device on a smokestack in 1948 .
1948年,这些西装笔挺的人们正在观看一台利用烟囱调节烟雾的实验性设备。
Enel advertisements for the project show a young girl erasing a plant 's smokestack .
在埃奈尔为该项目作的广告中,显示的是一位年青姑娘擦除了电厂的烟囱。
The president 's keen interest in making things is more than just smokestack nostalgia .
奥巴马总统对制造业有着强烈的兴趣,绝不是怀念那些有着高耸烟囱的厂房。
But those assumptions are based on emissions from the tailpipe or smokestack and don 't account for the methane and other pollution emitted when gas is extracted and piped to power plants and other customers .