With no Senate action, there's no guarantee that the US will commit to binding targets.
The United States, also quite reasonably, is loath to commit to binding emissions reductions of its own until nascent market competitors like India and China do the same.
This would include requiring every party running for office to renounce violence, pursue its aims by peaceful means and commit to binding laws and international agreements.
Many political observers said that Mr. Rudd and his 100-member-plus delegation to Copenhagen had hoped to present Australia's emissions trading system as an example of the developed world's willingness to commit to binding targets.
The culmination of his tenure came last December in Denmark, where he and many others tried — and failed — to get world powers to commit to binding cuts in greenhouse gas emissions.
Many American lawmakers insist that China commit to binding emission caps now, but China — which regards all caps with suspicion — sees this as infringing on its freedom to manage its own economy.
Critics complained that the U.S. continued to fail to commit to binding emissions targets as it maintained its positions that each country should set its own objectives and that technology was the principal tool for reducing emissions.
Climate scientists said the release was likely intended to torpedo any potential progress in the Durban negotiations, though not much progress had been expected anyway given that countries have been reluctant to commit to binding emissions limits.
Singapore is not obliged under U.N. treaties to commit to binding emissions cuts but has pledged, at a minimum, to cut emissions by 11 percent from projected levels by 2020, compared with 2005's output.
The rift was not only visible in the vehement opposition of emerging economies to commit to binding emission targets.
People sign agreements with employers committing to binding arbitration and non-competition clauses, but we place our happiness in trust based on unspecified faith in love.
