Guardian: John Prescott, the former UK climate negotiator, called on developed nations today to accept a new model of economic growth that would create a more equitable spread of carbon emissions in the world. Speaking to the Guardian in Beijing, Prescott said talks at Copenhagen would probably not be decided until an 11th-hour crisis, but that no global consensus could be reached without a fairer spread of emissions. Since helping to bang heads together to set the first targets on carbon in …