Ahead of critical talks and despite pledge for new treaty by 2012, biggest economies privately admit likelihood of long delay
Who said what in the world of green business this week?
New strategy aims to save capital £77m a year by reducing waste sent to landfill
EPA administrator Lisa Jackson tells TV interviewer regulations should be released early 2012, but gives no further details
Former MP Alan Simpson says the UK should follow Germany's example on feed-in tariffs and support decentralised energy
Energy secretary spends more than five hours facing House Committee questions, hours after bankrupt solar company postpones sale until next year
Consultancy hopes to publish Thinking about the Affordable report in coming weeks
DECC reveals winning entries of £4m social housing renewable heat premium payment scheme
New standards proposed as President reiterates his commitment to tackling climate change
Extent of Lib Dem anger at policy to slash feed-in tariffs revealed in secret document seen by the Guardian