USA

Moderate Democrats and Republicans increasingly confident they can secure the 60 votes needed to pass cap-and-trade legislation

White House negotiating team promises "robust engagement", takes tough stance on China

Experts hopeful Copenhagen deal could contain commitment to lower trade barriers for key clean technologies, kick-starting stalled Doha negotiations

China takes second spot in Ernst & Young league table assessing renewables investment climate

Draft proposals could see about 600 carbon-intensive firms included in carbon trading scheme from 2012

State news agency reports that long-awaited carbon target has been confirmed

One third to be spent building pollution control facilities, says official

Senior White House official confirms Obama could still attend crucial climate summit

EPA to help Chinese counterparts improve mechanisms for reporting on national greenhouse gas emissions

Ministers report encouraging progress at latest round of preparatory talks