Twenty-one nations around the world recently joined forces to better understand and prevent greenhouse gas emissions from farms.

VOA: special.2010.01.05

And so, when you think about how much cement concrete are consumed annually on the planet, this becomes a considerable point source of greenhouse gas emissions.

当你想到,在地球上每年要消耗多少的水泥混凝土的时候,这将是温室气体排放的,一个主要来源。

麻省理工公开课 - 固态化学导论课程节选

And as you know, carbon dioxide is implicated as a greenhouse gas.

你知道的，二氧化碳意味着温室气体。

麻省理工公开课 - 固态化学导论课程节选

An official of the European Commission's Directorate General for Research says agricultural greenhouse gas emissions can be cut.

VOA: special.2010.01.05

United States Agriculture Secretary Tom Vilsack said no one single nation can fight agricultural greenhouse gas emissions and increase food production at the same time.

VOA: special.2010.01.05

Experts say that agriculture provides fourteen percent of the world's greenhouse gas emissions each year.

VOA: special.2010.01.05

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

The goal was to reach a legally binding agreement to reduce greenhouse gas emissions, blamed for heating up the atmosphere.

VOA: standard.2009.12.06

Does measures seem to low emissions of greenhouse gases by raising the cost of gasoline, coal,natural gas and other fossil fuels.

VOA: standard.2009.12.12

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

Earlier this week African delegates boycotted some talks because they said developed nations were not making concrete promises on cutting greenhouse gas emissions.

VOA: standard.2009.11.06

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

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

VOA: standard.2009.11.26

Many nations have pledged to reduce greenhouse gas emissions, but are falling short of the target reduction of 25 to 40 percent of 1990 levels.

VOA: standard.2009.09.28

Under his stewardship, the European Union has adopted an ambitious climate-change program that aims to cut greenhouse gas emissions by 20 percent or more by 2020.

VOA: standard.2009.09.16

Greenhouse gas emissions such as carbon dioxide are thought to be a major cause behind rising temperatures that have lead to extreme weather and food shortages.

VOA: standard.2009.09.28

It will present measures to reduce greenhouse gas emissions to slow this process.

VOA: standard.2009.08.30

India hopes a massive increase in cleaner nuclear power will help it to check greenhouse gas emissions and cut its dependence on oil, most of which it imports.

VOA: standard.2009.09.29

The prime minister, opening the World Economic Forum's India summit, said the traditional big polluters will need to subsidize technology for developing countries to cope with reducing greenhouse gas emissions.

VOA: standard.2009.11.08

The target pledges by the world's top-two carbon emitters are seen as hopeful signs for progress at Copenhagen, although a final package for global greenhouse gas reduction remains in doubt.

VOA: standard.2009.11.26

The bill's sponsors say that by putting a price on carbon released into the atmosphere, the measure would help reduce America's reliance on fossil fuels and cut its greenhouse gas emissions.

VOA: standard.2010.06.14

Bigger livestock herds are putting greater pressure on land resources and disrupting some ecosystems and the animals generate significant amounts of water and air pollution, including methane, a climate-changing greenhouse gas.

VOA: standard.2010.02.22

Jiang also accused developed nations of abandoning the principle reached in earlier accords, which require them to cut greenhouse gas emissions, but do not make the same requirement of developing countries.

VOA: standard.2009.12.16

The Clinton visit was not without discord, with India saying flatly Sunday it intends to stand firm against western demands that it accept binding limitations on the growth of its greenhouse gas emissions.

VOA: standard.2009.07.20

The White House says President Barack Obama will attend next month's climate change summit in Copenhagen,Denmark, and will make a provisional pledge to cut U.S.greenhouse gas emissions by 17 percent from 2005 levels by 2020.

VOA: standard.2009.11.26

Their task is to find common ground, including on reduction of greenhouse gas emissions, promotion and transfer of new more eco-friendly technology and the necessary funding to make this possible, especially for the less developed and poorer nations.

VOA: standard.2009.12.08

The goal is to come up with substantive, but workable solutions to cut greenhouse gas emissions,promote new, eco-friendly technologies, but also promote economic growth and investment and help the less developed nations to adapt to these new conditions.

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

They said developed nations had to set targets to curb greenhouse-gas emissions before they would negotiate on other issues.

VOA: standard.2009.11.04

Raising livestock and clearing land for farms and ranches are significant greenhouse-gas emitters.

VOA: standard.2010.06.04