51.   In later years, a cap will be placed on greenhouse emissions, coupled with a system to give credits for emissions reductions that companies can save and sell.

52.   It will fundamentally determine if and when we have a market for trading greenhouse gas emissions and what role, if any, forests will play in that.

53.   Kerry challenged Republican opponents of a treaty who fear that it would hurt American jobs, stressing that cuts in greenhouse gas emissions need not stunt growth.

54.   Lashof said the government has had six voluntary programs in the past decade but greenhouse gas emissions have continued to increase and growth rates have remained unchanged.

55.   Meanwhile, developing nations are fighting US pressure to cut their fast-growing greenhouse emissions right away.

56.   Monday a United Nations Global Warming Conference convened in Kyoto, Japan, hoping to break an international stalemate on how to reduce greenhouse gas emissions.

57.   Nor does Honda support the California bill to cut greenhouse gas emissions, preferring a federal policy to state-by-state variances in regulations.

58.   On Friday, Clinton won a commitment from Mexican President Ernesto Zedillo that Mexico will agree to limits on greenhouse gas emissions.

59.   Only then will governments be able to discuss more costly attempts to cut greenhouse emissions with any credibility.

60.   Political support for deep reductions in greenhouse emissions has been strong across Europe.