21.   The preservation of rain forests is one way to reduce greenhouse gases.

22.   The utility is touting the project as a way to reduce greenhouse gases, while turning a waste into a renewable energy source.

23.   Under a U.S. government program, companies can earn such credits by reducing greenhouse gas emissions lower than required by law.

24.   Alderman Mary Ann Smith of Chicago will ask global leaders at the conference to try a whole lot harder on reducing greenhouse gases.

25.   Argentina called on developing nations Monday to do more to reduce greenhouse gases, opening the biggest U.N. climate conference since a global warming treaty in December.

26.   Bjerregaard is preparing to fly Wednesday to New York to formally sign the Kyoto protocol on reducing the gases responsible for global warming.

27.   Bush announced an alternative proposal to the Kyoto accord in February which he said would reduce greenhouse gases, curb pollution and promote energy efficiency.

28.   Bush said their nations share a goal of reducing greenhouse gases, and the United States wants to ensure that any solution does not hurt the U.S. economy.

29.   Bush unveiled an alternative proposal to the Kyoto accord in February that he said would reduce greenhouse gases, curb pollution and promote energy efficiency.

30.   Clinton proposes to tackle global warming gradually, using tax breaks in the United States to reduce greenhouse gases followed by internationally binding pollution cuts.