Most important, the bill establishes a strategy for reducing greenhouse gases and energy costs at the same time.

Smart development will also be critical in reducing greenhouse gases.

There are little things you can do every day to help reduce greenhouse gases and make a less harmful impact on the environment.

You can reduce greenhouse gases while burning some calories and improving your health.

The use of these technologies helps to reduce greenhouse gases.

We'll be working with our allies to reduce greenhouse gases.

Two factors are crucial to the success of any global system to reduce greenhouse gases.

Reducing greenhouse gases by 8% in comparison with 1990 is therefore the main objective between now and the year 2012.

Making flying more expensive would reduce greenhouse gases, but only at the expense of growth, which is not absolutely necessary.

Europe wants to reduce greenhouse gases by 30% by 2020.