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We can take out the other greenhouse gases, as well.
Today, the President said he would take action on greenhouse gases later this year.
United States greenhouse gas emissions rose by 16 percent from 1990 to 2004.
That is what has to be spent to stop the increase of greenhouse gas emissions.
Together, the six countries account for half of all greenhouse gas emissions.
The second problem has to do with carbon and greenhouse gases.
Below is a table for the sources of greenhouse gases, taken from data in 2008.
The time at which global greenhouse gas emissions stop growing and begin to fall.
The first step is to measure the city's greenhouse gas emissions.
I will be pleased to see all six major greenhouse gases included.
Science: Find out more about methane's role as a greenhouse gas.
It is one of the major greenhouse gases in Earth's atmosphere.
Research into the effects of climate change and greenhouse gases.
Second, water vapor is the most important of all greenhouse gases.
For climate change, it makes no difference where the greenhouse gas is produced.
Given that the greenhouse gas effect has been proven, what other reasons are more likely?
Nor do greenhouse gas emissions simply stop at a state's border.
But greenhouse gases seem to have helped drive the cycle.
Those have much higher fuel economy, and thus lower greenhouse gas emissions.
The same is true of methane and other greenhouse gases.
The first is to stop putting greenhouse gases in the atmosphere.
How fast the greenhouse gases are heating the air is not known.
Developing countries are also a growing source of greenhouse gases.
"What had been thought was a major greenhouse gas turns out in fact to be having a cooling effect," he said.
Government action is considered necessary to reduce the greenhouse gas emissions.
