Involves an auction and emissions cap.

它牵扯到拍卖和排放帽。

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The EU average annual emissions cap for that period is 2.04 billion tons of carbon dioxide.

欧盟年均排放量限额是那个时期—2.04亿万吨的二氧化碳排放。

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Most bills envisage compensation of some sort for dirty industries, which would suffer most from an emissions cap.

很多法案希望能用于补偿受制于排放量限额的污染行业。

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Mr.Obama and Democrats in Congress are backing a "cap and trade" bill, which aims to cut greenhouse gas emissions 17 percent by 2020.

VOA: standard.2009.05.30

Beijing has refused to agree to cap its overall growth in its consumption of fossil fuels or reduce its emissions of carbon dioxide and other greenhouse gases.

VOA: standard.2010.08.03

The addition of Franken will provide the Democrats with 60 votes in the U.S.Senate, giving President Barack Obama and party leaders a better chance of passing controversial legislation such as health care reform and a cap-and-trade bill aimed at curbing greenhouse gas emissions linked to global warming.

VOA: standard.2009.06.30

The idea was that countries whose emissions fall under the emissions cap -- the permitted level of CO2 equivalent emissions per year -- could then sell those carbon credits to countries who are not able to meet their own caps.

CNN: All About: Forests and carbon trading

The global carbon market trades emissions via cap-and-trade schemes and credits that offset reductions in carbon emissions.

UNESCO: The lucrative business of saving East African forests

Most economists figure a tax is a simpler and more-straightforward way to reduce carbon emissions than cap-and-trade.

FORBES: Carbon Taxes: The Levy (Some) Conservatives Love