Friends of the Earth, for example, says the efficiency of stoves is irrelevant if they burn renewable fuels such as dung or wood, as those in poor countries often do.

譬如，地球之友表示如果像在贫困国家那样，炉灶通常燃烧畜粪或木料等可再生燃料，那么其效用就与此无关了。

youdao

Friends of the Earth help to keep the environment clean.

地球的朋友帮助保持环境干净。

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Nick Berning, a US spokesman for Friends of the Earth, described Hummers as "about the most highly polluting personal vehicles on the roads".

“地球之友”美国发言人尼克·贝尔宁把悍马汽车描述成“马路上污染最厉害的私家车”。

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Members of Friends of the Earth Middle East say the Jordan could run dry unless something is done.

VOA: special.2009.05.18

But Friends of the Earth Middle East says that would cost too much and could damage the environment.

VOA: special.2009.05.18

Friends of the Earth has called for suspending further research until rules are made for the technology.

VOA: special.2010.07.20

The environmental group Friends of the Earth tentatively applauded the news of a new food safety agency.

CNN: Food Central - European Union to create food safety watchdog

The director of Friends of the Earth, Julian Rosser, said it had not been demonstrated that the new processes work completely effectively.

BBC: NEWS | UK | Wales | Welsh councils' incinerator trend

The groups are Friends of the Earth, the Aviation Environment Federation, the National Society for Clean Air, and the Heathrow Association for the Control of Aircraft Noise.

BBC: Pollution warning on holiday flights