In the last 15 years, the city has cut greenhouse gas emissions by nearly 10%.

That is what has to be spent to stop the increase of greenhouse gas emissions.

The time at which global greenhouse gas emissions stop growing and begin to fall.

United States greenhouse gas emissions rose by 16 percent from 1990 to 2004.

Together, the six countries account for half of all greenhouse gas emissions.

However, it is also behind 9% of the greenhouse gas emissions in Europe.

The first step is to measure the city's greenhouse gas emissions.

Those have much higher fuel economy, and thus lower greenhouse gas emissions.

In 2002, Canada's total greenhouse gas emissions had increased by 24% since 1990.

Nor do greenhouse gas emissions simply stop at a state's border.

In the last 15 years, the city has cut greenhouse gas emissions by nearly 10%.

That is what has to be spent to stop the increase of greenhouse gas emissions.

The time at which global greenhouse gas emissions stop growing and begin to fall.

United States greenhouse gas emissions rose by 16 percent from 1990 to 2004.

Together, the six countries account for half of all greenhouse gas emissions.

However, it is also behind 9% of the greenhouse gas emissions in Europe.

The first step is to measure the city's greenhouse gas emissions.

Those have much higher fuel economy, and thus lower greenhouse gas emissions.

In 2002, Canada's total greenhouse gas emissions had increased by 24% since 1990.

Nor do greenhouse gas emissions simply stop at a state's border.