From Tories running in circles over wind policy to an M&S milestone, we run down the top stories from the past week
Investigation into alleged subsidies provided by Beijing raises prospect of European import tariffs
Beijing steps up ongoing trade spat by urging action against green energy subsidies in Greece and Italy
New EU regulations indicate fuel efficiency on an A-G scale similar to electrical appliances
From Energy Bill shenanigans to floating solar panel islands, BusinessGreen runs down the best of the week's news and analysis
Industry unnerved by speculation it could miss out on €600m funding pot, but officials insist government is "fully committed" to CCS
Summit ends with preliminary agreement to support more selective catching gear in reform of Common Fisheries Policy
Latest figures for 2011 confirm bloc is on track to meet Kyoto emission reduction targets
Biotech company argues new European biofuel policy must be aligned with mandated targets to encourage investment in sustainable fuels
Number of permits to be withheld temporarily from auction will be accompanied by 'menu' of longer term options to boost carbon price