In the end they could only agree to present national plans for voluntary cuts. (history.aip.org)
That pact was abandoned by the U.S. Senate because it imposed emissions cuts on wealthy countries but let developing nations — including China — off the hook by allowing them to make voluntary cuts in exchange for financial support. (scientificamerican.com)
Supposedly, negotiators were committed to allowing countries to make voluntary cuts to oil and coal subsidies, but the agreement changed at the last minute Sunday. (treehugger.com)