The A.U.chairman said Africa is most vulnerable to climate change, despite accounting for only 3.5 percent of global greenhouse emissions.

VOA: standard.2009.10.13

Another example of this would be global warming and carbon emissions.

下一个囚徒困境的案例,是全球变暖和碳排量问题

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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

Climatologists say that greenhouse gas emissions, such as carbon dioxide from burning oil and coal, contribute significantly to global warming.

VOA: standard.2009.11.09

That's bad news for the environment,he says, because deforestation produces around 17 percent of global greenhouse gas emissions.

VOA: standard.2010.07.28

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 calls for stronger steps to be taken by advanced economies to reduce carbon emissions, seen as the main cause of global warming.

VOA: standard.2009.09.01

The European Union is at the forefront of a global push to reduce greenhouse gas emissions.

VOA: standard.2009.11.26

Scientists warn that without an agreement to reduce so-called green house gas emissions, global temperatures will continue to rise, with the catastrophic consequences of extreme weather events, the spread of drought and disease, and the extinction of plant and animal species.

VOA: standard.2009.12.09

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

You have to step up. You have to serve." He said groups like the Clinton Global Initiative are making a difference around the world by working with business to cut dangerous emissions, empowering entrepreneurs with micro-loans, and giving hope to some of the world's poorest children.

VOA: standard.2009.09.23