1.   As a result, the U.S. Senate, in a unanimous resolution, has threatened to block any treaty protocol that does not cover developing countries.

2.   But a unanimous U.S. Senate resolution last July threatened to block any treaty protocol that does not impose binding emissions cutbacks on Third World countries.

3.   Inclusion of China and other developing nations under the binding accord may prove essential to winning U.S. Senate approval for the treaty protocol.

4.   Several preliminary rounds of talks laid the groundwork for final discussions here over a treaty protocol.

5.   State Department spokesman Philip Reeker dismissed suggestions that the rejection of the treaty protocol will lead to isolationist perceptions of the nation.

6.   That view has strong support in the U.S. Senate, which threatens to veto any treaty protocol that does not also cover Third World nations.

7.   The proposed treaty protocol offers negotiators a wealth of features for compromise, including the timetable and the types of gases to be covered.

8.   The treaty protocol under negotiation here will not dictate how countries should make the reductions.

9.   China and the old Soviet Union were the only nuclear countries to have signed treaty protocols agreeing not to test or use nuclear bombs in the region.