1.   And the argument continued over details of rules, particularly the penalties on countries that failed to meet targets to reduce gases on time.

2.   Any serious American effort to reduce greenhouse gases will require sacrifice.

3.   Any serious plan to reduce greenhouse gases will carry political risks because it will not be cost-free.

4.   At that time, the administration will announce specific targets for reducing greenhouse gases.

5.   After all, it seemed almost out of character for Bush to lead the charge on reducing greenhouse gases from utility generation.

6.   Budget cuts are also making it hard for the administration to meet its goal for reducing greenhouse gases.

7.   But only a day later, they were distressed when he rebuffed calls for a specific target for reducing greenhouse gases.

8.   Clinton could announce U.S. targets for reducing greenhouse gases during his already scheduled trip later this month to Rio de Janeiro and other cities in Brazil and Argentina.

9.   Debate is over how much of the U.S. commitment to reduce greenhouse gas emissions can come from trading of credits with other countries.

10.   For example, Japan won a provision to receive credits for reducing greenhouse gases by protecting forests that absorb carbon dioxide.