71.   The convention lacks binding obligations to reduce gas emissions like those in the Kyoto Protocol.

72.   The idea of offsetting greenhouse gas emissions is not new, and some utilities have experimented with projects for a decade or more.

73.   The Kyoto conference will attempt to create legally binding rules on reducing greenhouse gas emissions.

74.   The lack of support for ratification of an international treaty to reduce greenhouse gas emissions.

75.   The plan Bush announced Thursday would rely on voluntary measures only and allow gas emissions to continue to rise, with the goal of slowing the rate of growth.

76.   The sensors continually monitor the shaking, temperature changes, gas emissions and other activity.

77.   The single most important step would entail proposing a domestic policy to reduce greenhouse gas emissions, which would dramatically impact international negotiations as well.

78.   The uncertainty also complicates the task of negotiators from around the world as they struggle to determine how much and how rapidly greenhouse gas emissions should be cut.

79.   There was also disagreement over the issue of rich nations buying special credits allowing increases in greenhouse gas emissions.