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Top U.S. negotiator tells fast-growing nations they must make major commitments
Disagreement over economic impact looms large
The bill would be stronger than the version passed earlier this year in the U.S. House of Representatives
An early draft of the Senate bill set to be introduced tomorrow proposes more stringent restrictions on the greenhouse gases behind global warming
Yvo de Boer went from parole officer in the Netherlands to international negotiator
The U.S. special envoy admits that a global treaty may not be ready in time for Copenhagen in December thanks to a lack of final legislation in the U.S.
Global Copenhagen summit in December could fail if U.S. doesn't act
The Obama adminstration sends its top guns to testify
House Democrats have come up with a plan to hand out and auction allowances to emit carbon dioxide
Executives and lobbyists press legislators for free allowances to emit carbon dioxide in order to avoid higher electric bills
New EPA findings may clear way for greenhouse gas regulation
The Obama administration's goals and political and economic reality may be hard to reconcile
Emissions permits could generate billions and cut emissions 14 percent by 2020, according to budget proposal
Questions remain about the size and scope of the bill, however
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