And the slice of global output that would have to be spent to control emissions is probably not huge.

而且，这部分用于控制温室气体排放的全球性开支不会很高。

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The news about mercury also underscores the importance of developing a federal policy to control emissions.

关于汞含量的新闻强调了制定联邦政策控制污染排放的重要性。

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A somber-looking Obama admitted during a news conference that there is no support for a cap and trade bill to control emissions.

在新闻发布会上，奥巴马脸色阴郁地承认目前没有获得关于控制排放量的总量管制和交易议案的任何支持。

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Unless carbon emissions are brought under control,he says, the challenge of adapting to global climate change will become ever more difficult.

VOA: standard.2010.06.14

Scientists say a 25 to 40 percent cut in carbon-dioxide emissions is needed to control global warming.

VOA: standard.2009.12.09

The report says government efforts to control emissions of reactive nitrogen from combustion sources have been more successful.

BBC: Nitrogen pollution 'costs EU up to ?280bn a year'

The schemes we have now for encouraging countries to control emissions are scams.

FORBES: David Victor

Concentration for most pollutants remains high despite legislation passed in 2002 to control emissions in ten of China's biggest cities and several river valleys that provide industrial arteries into the interior from the heavily populated coasts.

FORBES: Pollution And Prosperity