Democrats confirm they will move for a vote on the proposed climate bill ahead of immigration reforms - but it remains to be seen if they can win back support of key Republican Senator
New report shows climate change is already affecting the US and poses a threat to human health
Connection to Solvay chemicals suggests opposition to action on global warming is spreading from 'big oil' to 'big chemical'
Day of reckoning for compromise climate bill finally about to arrive
US watchdog continues drive to improve corporate reporting on potentially hazardous chemicals by adding 16 substances believed to be carcinogenic to public inventory
Senators divided on whether revenue from new climate bill tax should pay for green projects or road repairs
Vehicle standards finally adopted formally in a move that should cut US vehicle emissions by around 15 per cent
Lisa Jackson argues that curbing carbon regulations would damage the economy
Virginia senator tables bill that would stop the EPA regulating power station emissions for two years
Republican at centre of bi-partisan effort to produce compromise climate bill says new mechanisms will be used to curb emissions