GOP's war on clean air continues to escalate with latest hearing on pollution rules
ASA bans Save Berkeley Vale campaigners from using inaccurate photomontages after council rejects proposal for Ecotricity wind farm
Consultancy giant to offer software that tracks and searches green legislation and compliance requirements
Plans to tax fuels by energy produced welcomed by green groups, but will require backing of all member states to become law
Federal shutdown may have been avoided, but US environmental programmes still face tough six months
Newly elected green state government vows to bring speed limits to the Baden-Württemberg home of Mercedes-Benz and Porsche
European Union energy commissioner says all member states must produce smart meter targets by 2012
Green groups doubt London's pledge to create "greenest games ever" as sustainability watchdog says event will miss renewables goal
Energy firms to be tasked with generating a third of energy from renewable sources by 2020
Nitrogen expert Dr Mark Sutton outlines the key recommendations from the new European Nitrogen Assessment