Sir David King, a former chief scientific adviser, writes in the Guardian to urge prime minister to fill 'leadership vacuum'
Senior Tory MPs in dialogue with MEPs who are seeking to prevent a toughening of Europe's climate targets
BBC says deal between warring Cabinet factions over carbon budgets means post-2020 targets could be reviewed if the EU fails to meet its own emissions goals
James Murray welcomes the government's acceptance of the Fourth Carbon Budget, but wonders what it means for short-term policies
Chris Huhne will announce a long-term programme that will put Britain at the forefront of the battle against climate change
Group of 15 NGOs writes to David Cameron warning the coalition is reneging on its "greenest government ever" pledge
Who said what in the world of green business this week?
Labour leader urges Prime Minister to stand by previous commitment to follow Climate Committee recommendations
Without the right policies, the UK will lose green energy jobs, renewable energy industry warns warring ministers
Friends of the Earth-commissioned report says stalled progress on green issues further undermined by Westminster in-fighting